131109723752 has 24 divisors (see below), whose sum is σ = 285966362610. Its totient is φ = 56189881440.

The previous prime is 131109723743. The next prime is 131109723761. The reversal of 131109723752 is 257327901131.

It is an interprime number because it is at equal distance from previous prime (131109723743) and next prime (131109723761).

It can be written as a sum of positive squares in only one way, i.e., 77625760996 + 53483962756 = 278614^2 + 231266^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167231399 + ... + 167232182.

Almost surely, 2^131109723752 is an apocalyptic number.

It is an amenable number.

131109723752 is an abundant number, since it is smaller than the sum of its proper divisors (154856638858).

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

131109723752 is a wasteful number, since it uses less digits than its factorization.

131109723752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334463601 (or 334463590 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The spelling of 131109723752 in words is "one hundred thirty-one billion, one hundred nine million, seven hundred twenty-three thousand, seven hundred fifty-two".