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232031140231 = 11157129174603
BaseRepresentation
bin1101100000011000100…
…0100011100110000111
3211011220122112012110111
43120012020203212013
512300144432441411
6254332120333451
722522643102332
oct3300610434607
9734818465414
10232031140231
118a449590a20
1238b76914287
1318b5a4425a7
14b3321ad619
156080562721
hex3606223987

232031140231 has 16 divisors (see below), whose sum is σ = 253427879808. Its totient is φ = 210685082400.

The previous prime is 232031140169. The next prime is 232031140273. The reversal of 232031140231 is 132041130232.

It is a cyclic number.

It is not a de Polignac number, because 232031140231 - 221 = 232029043079 is a prime.

It is a super-2 number, since 2×2320311402312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232031140291) 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, 50406376 + ... + 50410978.

It is an arithmetic number, because the mean of its divisors is an integer number (15839242488).

Almost surely, 2232031140231 is an apocalyptic number.

232031140231 is a deficient number, since it is larger than the sum of its proper divisors (21396739577).

232031140231 is a wasteful number, since it uses less digits than its factorization.

232031140231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9102.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 232031140231 its reverse (132041130232), we get a palindrome (364072270463).

Subtracting from 232031140231 its reverse (132041130232), we obtain a palindrome (99990009999).

The spelling of 232031140231 in words is "two hundred thirty-two billion, thirty-one million, one hundred forty thousand, two hundred thirty-one".

Divisors: 1 11 1571 2917 4603 17281 32087 50633 4582607 7231313 13426951 50408677 79544443 147696461 21093740021 232031140231