113431421400 has 96 divisors (see below), whose sum is σ = 383604465600. Its totient is φ = 27498524800.

The previous prime is 113431421357. The next prime is 113431421431. The reversal of 113431421400 is 4124134311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8586690 + ... + 8599889.

It is an arithmetic number, because the mean of its divisors is an integer number (3995879850).

Almost surely, 2^113431421400 is an apocalyptic number.

113431421400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113431421400 is an abundant number, since it is smaller than the sum of its proper divisors (270173044200).

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

113431421400 is a wasteful number, since it uses less digits than its factorization.

113431421400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17186609 (or 17186600 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 113431421400 its reverse (4124134311), we get a palindrome (117555555711).

The spelling of 113431421400 in words is "one hundred thirteen billion, four hundred thirty-one million, four hundred twenty-one thousand, four hundred".