131143931044 has 27 divisors (see below), whose sum is σ = 266981895243. Its totient is φ = 56202369048.

The previous prime is 131143930919. The next prime is 131143931069. The reversal of 131143931044 is 440139341131.

The square root of 131143931044 is 362138.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5056999 + ... + 5082865.

Almost surely, 2^131143931044 is an apocalyptic number.

131143931044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131143931044 is the 362138-th square number.

It is an amenable number.

131143931044 is an abundant number, since it is smaller than the sum of its proper divisors (135837964199).

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

131143931044 is an frugal number, since it uses more digits than its factorization.

131143931044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51752 (or 25876 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 131143931044 in words is "one hundred thirty-one billion, one hundred forty-three million, nine hundred thirty-one thousand, forty-four".