131113356 has 24 divisors (see below), whose sum is σ = 333743424. Its totient is φ = 39731280.

The previous prime is 131113349. The next prime is 131113387. The reversal of 131113356 is 653311131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496510 + ... + 496773.

It is an arithmetic number, because the mean of its divisors is an integer number (13905976).

Almost surely, 2^131113356 is an apocalyptic number.

It is an amenable number.

131113356 is an abundant number, since it is smaller than the sum of its proper divisors (202630068).

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

131113356 is a wasteful number, since it uses less digits than its factorization.

131113356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993301 (or 993299 counting only the distinct ones).

The product of its digits is 810, while the sum is 24.

The square root of 131113356 is about 11450.4740513221. The cubic root of 131113356 is about 508.0217559451.

Adding to 131113356 its reverse (653311131), we get a palindrome (784424487).

The spelling of 131113356 in words is "one hundred thirty-one million, one hundred thirteen thousand, three hundred fifty-six".