113587645031 has 4 divisors (see below), whose sum is σ = 129814451472. Its totient is φ = 97360838592.

The previous prime is 113587645027. The next prime is 113587645091. The reversal of 113587645031 is 130546785311.

It is a happy number.

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 113587645031 - 2² = 113587645027 is a prime.

It is a super-2 number, since 2×113587645031² (a number of 23 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 (113587645021) 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, 8113403210 + ... + 8113403223.

It is an arithmetic number, because the mean of its divisors is an integer number (32453612868).

Almost surely, 2^113587645031 is an apocalyptic number.

113587645031 is a deficient number, since it is larger than the sum of its proper divisors (16226806441).

113587645031 is an equidigital number, since it uses as much as digits as its factorization.

113587645031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16226806440.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 113587645031 in words is "one hundred thirteen billion, five hundred eighty-seven million, six hundred forty-five thousand, thirty-one".