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231344424312 = 23328334061311
BaseRepresentation
bin1101011101110100110…
…0111100010101111000
3211010010210100102022120
43113131030330111320
512242243133034222
6254140025521240
722466634106161
oct3273514742570
9733123312276
10231344424312
118a126995101
1238a04943220
1318a7b0a4801
14b2a8cd2768
15604011615c
hex35dd33c578

231344424312 has 32 divisors (see below), whose sum is σ = 580404756480. Its totient is φ = 76842315360.

The previous prime is 231344424301. The next prime is 231344424323. The reversal of 231344424312 is 213424443132.

It is an interprime number because it is at equal distance from previous prime (231344424301) and next prime (231344424323).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17023864 + ... + 17037447.

It is an arithmetic number, because the mean of its divisors is an integer number (18137648640).

Almost surely, 2231344424312 is an apocalyptic number.

It is an amenable number.

231344424312 is an abundant number, since it is smaller than the sum of its proper divisors (349060332168).

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

231344424312 is a wasteful number, since it uses less digits than its factorization.

231344424312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34061603 (or 34061599 counting only the distinct ones).

The product of its digits is 55296, while the sum is 33.

Adding to 231344424312 its reverse (213424443132), we get a palindrome (444768867444).

The spelling of 231344424312 in words is "two hundred thirty-one billion, three hundred forty-four million, four hundred twenty-four thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 283 566 849 1132 1698 2264 3396 6792 34061311 68122622 102183933 136245244 204367866 272490488 408735732 817471464 9639351013 19278702026 28918053039 38557404052 57836106078 77114808104 115672212156 231344424312