113131434 has 64 divisors (see below), whose sum is σ = 267724800. Its totient is φ = 31534272.

The previous prime is 113131429. The next prime is 113131441. The reversal of 113131434 is 434131311.

It is a self number, because there is not a number n which added to its sum of digits gives 113131434.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32427 + ... + 35745.

It is an arithmetic number, because the mean of its divisors is an integer number (4183200).

Almost surely, 2^113131434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113131434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133862400).

113131434 is an abundant number, since it is smaller than the sum of its proper divisors (154593366).

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

113131434 is a wasteful number, since it uses less digits than its factorization.

113131434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379.

The product of its digits is 432, while the sum is 21.

The square root of 113131434 is about 10636.3261514491. The cubic root of 113131434 is about 483.6461823431.

Adding to 113131434 its reverse (434131311), we get a palindrome (547262745).

The spelling of 113131434 in words is "one hundred thirteen million, one hundred thirty-one thousand, four hundred thirty-four".