131034661656 has 32 divisors (see below), whose sum is σ = 327610256640. Its totient is φ = 43675073568.

The previous prime is 131034661621. The next prime is 131034661657. The reversal of 131034661656 is 656166430131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131034661657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156285 + ... + 535251.

It is an arithmetic number, because the mean of its divisors is an integer number (10237820520).

Almost surely, 2^131034661656 is an apocalyptic number.

It is an amenable number.

131034661656 is an abundant number, since it is smaller than the sum of its proper divisors (196575594984).

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

131034661656 is a wasteful number, since it uses less digits than its factorization.

131034661656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393383 (or 393379 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 131034661656 in words is "one hundred thirty-one billion, thirty-four million, six hundred sixty-one thousand, six hundred fifty-six".