113731624 has 8 divisors (see below), whose sum is σ = 213246810. Its totient is φ = 56865808.

The previous prime is 113731621. The next prime is 113731637. The reversal of 113731624 is 426137311.

It can be written as a sum of positive squares in only one way, i.e., 92736900 + 20994724 = 9630^2 + 4582^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 113731592 and 113731601.

It is not an unprimeable number, because it can be changed into a prime (113731621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7108219 + ... + 7108234.

Almost surely, 2^113731624 is an apocalyptic number.

It is an amenable number.

113731624 is a deficient number, since it is larger than the sum of its proper divisors (99515186).

113731624 is a wasteful number, since it uses less digits than its factorization.

113731624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14216459 (or 14216455 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 113731624 is about 10664.5029888879. The cubic root of 113731624 is about 484.4999614822.

Adding to 113731624 its reverse (426137311), we get a palindrome (539868935).

It can be divided in two parts, 1137 and 31624, that added together give a square (32761 = 181²).

The spelling of 113731624 in words is "one hundred thirteen million, seven hundred thirty-one thousand, six hundred twenty-four".