113015131 has 8 divisors (see below), whose sum is σ = 117804560. Its totient is φ = 108317088.

The previous prime is 113015129. The next prime is 113015143. The reversal of 113015131 is 131510311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113015131 - 2¹ = 113015129 is a prime.

It is a super-2 number, since 2×113015131² = 25544839669894322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113015101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20316 + ... + 25273.

It is an arithmetic number, because the mean of its divisors is an integer number (14725570).

Almost surely, 2^113015131 is an apocalyptic number.

113015131 is a deficient number, since it is larger than the sum of its proper divisors (4789429).

113015131 is an equidigital number, since it uses as much as digits as its factorization.

113015131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45693.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 113015131 is about 10630.8574912845. The cubic root of 113015131 is about 483.4803905543.

Adding to 113015131 its reverse (131510311), we get a palindrome (244525442).

It can be divided in two parts, 1130 and 15131, that added together give a palindrome (16261).

The spelling of 113015131 in words is "one hundred thirteen million, fifteen thousand, one hundred thirty-one".