113240002131 has 16 divisors (see below), whose sum is σ = 167845324800. Its totient is φ = 75456273384.

The previous prime is 113240002129. The next prime is 113240002133. The reversal of 113240002131 is 131200042311.

113240002131 is a `hidden beast` number, since 1 + 132 + 400 + 0 + 2 + 131 = 666.

It is an interprime number because it is at equal distance from previous prime (113240002129) and next prime (113240002133).

It is not a de Polignac number, because 113240002131 - 2¹ = 113240002129 is a prime.

It is a super-2 number, since 2×113240002131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113240002133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973411 + ... + 1083516.

It is an arithmetic number, because the mean of its divisors is an integer number (10490332800).

Almost surely, 2^113240002131 is an apocalyptic number.

113240002131 is a deficient number, since it is larger than the sum of its proper divisors (54605322669).

113240002131 is a wasteful number, since it uses less digits than its factorization.

113240002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058975 (or 2058969 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113240002131 its reverse (131200042311), we get a palindrome (244440044442).

The spelling of 113240002131 in words is "one hundred thirteen billion, two hundred forty million, two thousand, one hundred thirty-one".