113431142021142 has 128 divisors (see below), whose sum is σ = 254211353690112. Its totient is φ = 33450562828800.

The previous prime is 113431142021111. The next prime is 113431142021159. The reversal of 113431142021142 is 241120241134311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 242257968 + ... + 242725740.

It is an arithmetic number, because the mean of its divisors is an integer number (1986026200704).

Almost surely, 2^{113431142021142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113431142021142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127105676845056).

113431142021142 is an abundant number, since it is smaller than the sum of its proper divisors (140780211668970).

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

113431142021142 is a wasteful number, since it uses less digits than its factorization.

113431142021142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468406.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 113431142021142 its reverse (241120241134311), we get a palindrome (354551383155453).

The spelling of 113431142021142 in words is "one hundred thirteen trillion, four hundred thirty-one billion, one hundred forty-two million, twenty-one thousand, one hundred forty-two".