113213312451 has 12 divisors (see below), whose sum is σ = 163535549112. Its totient is φ = 75473137536.

The previous prime is 113213312449. The next prime is 113213312573. The reversal of 113213312451 is 154213312311.

113213312451 is a `hidden beast` number, since 1 + 1 + 321 + 331 + 2 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 113213312451 - 2¹ = 113213312449 is a prime.

It is a super-2 number, since 2×113213312451² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113213312411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125860 + ... + 492206.

It is an arithmetic number, because the mean of its divisors is an integer number (13627962426).

Almost surely, 2^113213312451 is an apocalyptic number.

113213312451 is a deficient number, since it is larger than the sum of its proper divisors (50322236661).

113213312451 is a wasteful number, since it uses less digits than its factorization.

113213312451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400690 (or 400687 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

Adding to 113213312451 its reverse (154213312311), we get a palindrome (267426624762).

The spelling of 113213312451 in words is "one hundred thirteen billion, two hundred thirteen million, three hundred twelve thousand, four hundred fifty-one".