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310031332312 = 231323433014227
BaseRepresentation
bin1001000001011110100…
…11101011001111011000
31002122020121122111201111
410200233103223033120
520034421010113222
6354232035230104
731253602562212
oct4405723531730
91078217574644
10310031332312
1110a535671789
1250104a48334
132330b1695c0
14110114dd5b2
1580e81aa777
hex482f4eb3d8

310031332312 has 64 divisors (see below), whose sum is σ = 668435201280. Its totient is φ = 133686951552.

The previous prime is 310031332297. The next prime is 310031332319. The reversal of 310031332312 is 213233130013.

It is a super-2 number, since 2×3100313323122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310031332319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404258 + ... + 1609969.

It is an arithmetic number, because the mean of its divisors is an integer number (10444300020).

Almost surely, 2310031332312 is an apocalyptic number.

It is an amenable number.

310031332312 is an abundant number, since it is smaller than the sum of its proper divisors (358403868968).

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

310031332312 is a wasteful number, since it uses less digits than its factorization.

310031332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014312 (or 3014308 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 310031332312 its reverse (213233130013), we get a palindrome (523264462325).

The spelling of 310031332312 in words is "three hundred ten billion, thirty-one million, three hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 13 23 26 43 46 52 86 92 104 172 184 299 344 559 598 989 1118 1196 1978 2236 2392 3956 4472 7912 12857 25714 51428 102856 3014227 6028454 12056908 24113816 39184951 69327221 78369902 129611761 138654442 156739804 259223522 277308884 313479608 518447044 554617768 901253873 1036894088 1684952893 1802507746 2981070503 3369905786 3605015492 5962141006 6739811572 7210030984 11924282012 13479623144 23848564024 38753916539 77507833078 155015666156 310031332312