117503631 has 12 divisors (see below), whose sum is σ = 193974352. Its totient is φ = 67144896.

The previous prime is 117503593. The next prime is 117503653. The reversal of 117503631 is 136305711.

It is a de Polignac number, because none of the positive numbers 2^k-117503631 is a prime.

It is a super-2 number, since 2×117503631² = 27614206596368322, 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 = 117503595 and 117503604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117503131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 932506 + ... + 932631.

Almost surely, 2^117503631 is an apocalyptic number.

117503631 is a deficient number, since it is larger than the sum of its proper divisors (76470721).

117503631 is a wasteful number, since it uses less digits than its factorization.

117503631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865150 (or 1865147 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 117503631 is about 10839.9091785863. The cubic root of 117503631 is about 489.7980995216.

The spelling of 117503631 in words is "one hundred seventeen million, five hundred three thousand, six hundred thirty-one".