113031513 has 48 divisors (see below), whose sum is σ = 198806400. Its totient is φ = 60445440.

The previous prime is 113031511. The next prime is 113031571. The reversal of 113031513 is 315130311.

It is not a de Polignac number, because 113031513 - 2¹ = 113031511 is a prime.

It is a super-2 number, since 2×113031513² = 25552245862138338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113031511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106003 + ... + 107063.

It is an arithmetic number, because the mean of its divisors is an integer number (4141800).

Almost surely, 2^113031513 is an apocalyptic number.

It is an amenable number.

113031513 is a deficient number, since it is larger than the sum of its proper divisors (85774887).

113031513 is a wasteful number, since it uses less digits than its factorization.

113031513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 113031513 is about 10631.6279562445. The cubic root of 113031513 is about 483.5037502378.

Adding to 113031513 its reverse (315130311), we get a palindrome (428161824).

The spelling of 113031513 in words is "one hundred thirteen million, thirty-one thousand, five hundred thirteen".