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231123331200331 = 1952323258863963
BaseRepresentation
bin110100100011010010011000…
…000011100011010101001011
31010022100011201100011100211001
4310203102120003203111023
5220243211040241402311
62135320331554515431
766453052414455553
oct6443223003432513
91108304640140731
10231123331200331
11677089440a9539
1221b092bbb95b77
139bc6ab506877b
144110600d3c163
151bac0acc4c4c1
hexd234980e354b

231123331200331 has 8 divisors (see below), whose sum is σ = 243752894342720. Its totient is φ = 218540285786952.

The previous prime is 231123331200323. The next prime is 231123331200469. The reversal of 231123331200331 is 133002133321132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231123331200331 - 23 = 231123331200323 is a prime.

It is a super-2 number, since 2×2311233312003312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231123331200331.

It is not an unprimeable number, because it can be changed into a prime (231123331200631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11629422045 + ... + 11629441918.

It is an arithmetic number, because the mean of its divisors is an integer number (30469111792840).

Almost surely, 2231123331200331 is an apocalyptic number.

231123331200331 is a deficient number, since it is larger than the sum of its proper divisors (12629563142389).

231123331200331 is a wasteful number, since it uses less digits than its factorization.

231123331200331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23258864505.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 231123331200331 its reverse (133002133321132), we get a palindrome (364125464521463).

The spelling of 231123331200331 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, three hundred thirty-one million, two hundred thousand, three hundred thirty-one".

Divisors: 1 19 523 9937 23258863963 441918415297 12164385852649 231123331200331