131097974012 has 18 divisors (see below), whose sum is σ = 234311635152. Its totient is φ = 64151898264.

The previous prime is 131097973991. The next prime is 131097974023. The reversal of 131097974012 is 210479790131.

It is a super-3 number, since 3×131097974012³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 4951313 + ... + 4977719.

It is an arithmetic number, because the mean of its divisors is an integer number (13017313064).

Almost surely, 2^131097974012 is an apocalyptic number.

It is an amenable number.

131097974012 is a deficient number, since it is larger than the sum of its proper divisors (103213661140).

131097974012 is an frugal number, since it uses more digits than its factorization.

131097974012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52865 (or 26456 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 44.

The spelling of 131097974012 in words is "one hundred thirty-one billion, ninety-seven million, nine hundred seventy-four thousand, twelve".