131319996 has 12 divisors (see below), whose sum is σ = 306413352. Its totient is φ = 43773328.

The previous prime is 131319983. The next prime is 131319997. The reversal of 131319996 is 699913131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131319997) 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, 5471655 + ... + 5471678.

It is an arithmetic number, because the mean of its divisors is an integer number (25534446).

Almost surely, 2^131319996 is an apocalyptic number.

It is an amenable number.

131319996 is an abundant number, since it is smaller than the sum of its proper divisors (175093356).

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

131319996 is a wasteful number, since it uses less digits than its factorization.

131319996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943340 (or 10943338 counting only the distinct ones).

The product of its digits is 39366, while the sum is 42.

The square root of 131319996 is about 11459.4937060937. The cubic root of 131319996 is about 508.2885035326.

The spelling of 131319996 in words is "one hundred thirty-one million, three hundred nineteen thousand, nine hundred ninety-six".