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231222232031032 = 231119433216065317
BaseRepresentation
bin110100100100101110011111…
…000000010001111100111000
31010022200121222220112010020201
4310210232133000101330320
5220301321112344443112
62135434005454531544
766463153313611054
oct6444563700217470
91108617886463221
10231222232031032
1167746886037460
1221b24501806bb4
139c03216c28678
144115303dd8c64
151bae94a717257
hexd24b9f011f38

231222232031032 has 64 divisors (see below), whose sum is σ = 509424746371200. Its totient is φ = 97253815155840.

The previous prime is 231222232030981. The next prime is 231222232031081. The reversal of 231222232031032 is 230130232222132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607960763 + ... + 1608104554.

It is an arithmetic number, because the mean of its divisors is an integer number (7959761662050).

Almost surely, 2231222232031032 is an apocalyptic number.

231222232031032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231222232031032 is an abundant number, since it is smaller than the sum of its proper divisors (278202514340168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231222232031032 is a wasteful number, since it uses less digits than its factorization.

231222232031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216065396 (or 3216065392 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 231222232031032 its reverse (230130232222132), we get a palindrome (461352464253164).

The spelling of 231222232031032 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, two hundred thirty-two million, thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 11 19 22 38 43 44 76 86 88 152 172 209 344 418 473 817 836 946 1634 1672 1892 3268 3784 6536 8987 17974 35948 71896 3216065317 6432130634 12864261268 25728522536 35376718487 61105241023 70753436974 122210482046 138290808631 141506873948 244420964092 276581617262 283013747896 488841928184 553163234524 672157651253 1106326469048 1344315302506 1521198894941 2627525363989 2688630605012 3042397789882 5255050727978 5377261210024 6084795579764 10510101455956 12169591159528 21020202911912 28902779003879 57805558007758 115611116015516 231222232031032