113531656 has 32 divisors (see below), whose sum is σ = 244212480. Its totient is φ = 48470400.

The previous prime is 113531617. The next prime is 113531659. The reversal of 113531656 is 656135311.

It is not an unprimeable number, because it can be changed into a prime (113531659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11436 + ... + 18916.

It is an arithmetic number, because the mean of its divisors is an integer number (7631640).

Almost surely, 2^113531656 is an apocalyptic number.

It is an amenable number.

113531656 is an abundant number, since it is smaller than the sum of its proper divisors (130680824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113531656 is a wasteful number, since it uses less digits than its factorization.

113531656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7765 (or 7761 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 113531656 is about 10655.1234624475. The cubic root of 113531656 is about 484.2158384371.

Adding to 113531656 its reverse (656135311), we get a palindrome (769666967).

The spelling of 113531656 in words is "one hundred thirteen million, five hundred thirty-one thousand, six hundred fifty-six".