113124431142 has 16 divisors (see below), whose sum is σ = 251387624880. Its totient is φ = 37708143696.

The previous prime is 113124431129. The next prime is 113124431149. The reversal of 113124431142 is 241134421311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113124431149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047448383 + ... + 1047448490.

It is an arithmetic number, because the mean of its divisors is an integer number (15711726555).

Almost surely, 2^113124431142 is an apocalyptic number.

113124431142 is an abundant number, since it is smaller than the sum of its proper divisors (138263193738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113124431142 is a wasteful number, since it uses less digits than its factorization.

113124431142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094896884 (or 2094896878 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 113124431142 its reverse (241134421311), we get a palindrome (354258852453).

The spelling of 113124431142 in words is "one hundred thirteen billion, one hundred twenty-four million, four hundred thirty-one thousand, one hundred forty-two".