131313678 has 32 divisors (see below), whose sum is σ = 280135584. Its totient is φ = 40891392.

The previous prime is 131313673. The next prime is 131313697. The reversal of 131313678 is 876313131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9276 + ... + 18672.

It is an arithmetic number, because the mean of its divisors is an integer number (8754237).

Almost surely, 2^131313678 is an apocalyptic number.

131313678 is an abundant number, since it is smaller than the sum of its proper divisors (148821906).

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

131313678 is a wasteful number, since it uses less digits than its factorization.

131313678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9556.

The product of its digits is 9072, while the sum is 33.

The square root of 131313678 is about 11459.2180361489. The cubic root of 131313678 is about 508.2803518970.

The spelling of 131313678 in words is "one hundred thirty-one million, three hundred thirteen thousand, six hundred seventy-eight".