131113806 has 16 divisors (see below), whose sum is σ = 262393344. Its totient is φ = 43676984.

The previous prime is 131113799. The next prime is 131113831. The reversal of 131113806 is 608311131.

It is a congruent number.

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, 4945 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (16399584).

Almost surely, 2^131113806 is an apocalyptic number.

131113806 is an abundant number, since it is smaller than the sum of its proper divisors (131279538).

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

131113806 is a wasteful number, since it uses less digits than its factorization.

131113806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13815.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 131113806 is about 11450.4937011467. The cubic root of 131113806 is about 508.0223371458.

Adding to 131113806 its reverse (608311131), we get a palindrome (739424937).

The spelling of 131113806 in words is "one hundred thirty-one million, one hundred thirteen thousand, eight hundred six".