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115102831 is a prime number
BaseRepresentation
bin1101101110001…
…01010001101111
322000120211101211
412313011101233
5213431242311
615231015251
72565233524
oct667052157
9260524354
10115102831
1159a77508
123266a527
131ab00bac
141140314b
15a189821
hex6dc546f

115102831 has 2 divisors, whose sum is σ = 115102832. Its totient is φ = 115102830.

The previous prime is 115102829. The next prime is 115102843. The reversal of 115102831 is 138201511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115102831 - 21 = 115102829 is a prime.

It is a super-2 number, since 2×1151028312 = 26497323408429122, which contains 22 as substring.

Together with 115102829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115102811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57551415 + 57551416.

It is an arithmetic number, because the mean of its divisors is an integer number (57551416).

Almost surely, 2115102831 is an apocalyptic number.

115102831 is a deficient number, since it is larger than the sum of its proper divisors (1).

115102831 is an equidigital number, since it uses as much as digits as its factorization.

115102831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 115102831 is about 10728.5987435452. The cubic root of 115102831 is about 486.4393152640.

It can be divided in two parts, 11510 and 2831, that added together give a palindrome (14341).

The spelling of 115102831 in words is "one hundred fifteen million, one hundred two thousand, eight hundred thirty-one".