131101684 has 12 divisors (see below), whose sum is σ = 262203424. Its totient is φ = 56186424.

The previous prime is 131101669. The next prime is 131101687. The reversal of 131101684 is 486101131.

It is a happy number.

131101684 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341074 + ... + 2341129.

Almost surely, 2^131101684 is an apocalyptic number.

131101684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131101684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131101684 is a wasteful number, since it uses less digits than its factorization.

131101684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682214 (or 4682212 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 131101684 is about 11449.9643667568. The cubic root of 131101684 is about 508.0066804255.

The spelling of 131101684 in words is "one hundred thirty-one million, one hundred one thousand, six hundred eighty-four".