113215042131 has 8 divisors (see below), whose sum is σ = 154635179664. Its totient is φ = 73635799680.

The previous prime is 113215042021. The next prime is 113215042139. The reversal of 113215042131 is 131240512311.

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

It is not a de Polignac number, because 113215042131 - 2²¹ = 113212944979 is a prime.

It is a super-2 number, since 2×113215042131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113215042139) 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, 460223626 + ... + 460223871.

It is an arithmetic number, because the mean of its divisors is an integer number (19329397458).

Almost surely, 2^113215042131 is an apocalyptic number.

113215042131 is a deficient number, since it is larger than the sum of its proper divisors (41420137533).

113215042131 is an equidigital number, since it uses as much as digits as its factorization.

113215042131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920447541.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 113215042131 its reverse (131240512311), we get a palindrome (244455554442).

The spelling of 113215042131 in words is "one hundred thirteen billion, two hundred fifteen million, forty-two thousand, one hundred thirty-one".