115042631 has 4 divisors (see below), whose sum is σ = 125501064. Its totient is φ = 104584200.

The previous prime is 115042601. The next prime is 115042637. The reversal of 115042631 is 136240511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115042631 - 2⁶ = 115042567 is a prime.

It is a super-2 number, since 2×115042631² = 26469613894804322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115042597 and 115042606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115042637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5229200 + ... + 5229221.

It is an arithmetic number, because the mean of its divisors is an integer number (31375266).

Almost surely, 2^115042631 is an apocalyptic number.

115042631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115042631 is a deficient number, since it is larger than the sum of its proper divisors (10458433).

115042631 is a wasteful number, since it uses less digits than its factorization.

115042631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10458432.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 115042631 is about 10725.7927912113. The cubic root of 115042631 is about 486.3544961701.

The spelling of 115042631 in words is "one hundred fifteen million, forty-two thousand, six hundred thirty-one".