131056998 has 16 divisors (see below), whose sum is σ = 263580480. Its totient is φ = 43441256.

The previous prime is 131056979. The next prime is 131056999. The reversal of 131056998 is 899650131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131056999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59940 + ... + 62087.

It is an arithmetic number, because the mean of its divisors is an integer number (16473780).

Almost surely, 2^131056998 is an apocalyptic number.

131056998 is an abundant number, since it is smaller than the sum of its proper divisors (132523482).

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

131056998 is a wasteful number, since it uses less digits than its factorization.

131056998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122211.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 131056998 is about 11448.0128406637. The cubic root of 131056998 is about 507.9489558525.

The spelling of 131056998 in words is "one hundred thirty-one million, fifty-six thousand, nine hundred ninety-eight".