115713431 has 4 divisors (see below), whose sum is σ = 115806600. Its totient is φ = 115620264.

The previous prime is 115713427. The next prime is 115713449. The reversal of 115713431 is 134317511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134317511 = 37 ⋅3630203.

It is a cyclic number.

It is not a de Polignac number, because 115713431 - 2² = 115713427 is a prime.

It is a super-2 number, since 2×115713431² = 26779196227583522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115713431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115713461) 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, 44696 + ... + 47213.

It is an arithmetic number, because the mean of its divisors is an integer number (28951650).

Almost surely, 2^115713431 is an apocalyptic number.

115713431 is a deficient number, since it is larger than the sum of its proper divisors (93169).

115713431 is an equidigital number, since it uses as much as digits as its factorization.

115713431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93168.

The product of its digits is 1260, while the sum is 26.

The square root of 115713431 is about 10757.0177558652. The cubic root of 115713431 is about 487.2979566872.

The spelling of 115713431 in words is "one hundred fifteen million, seven hundred thirteen thousand, four hundred thirty-one".