131000042009977 has 8 divisors (see below), whose sum is σ = 149977452067200. Its totient is φ = 112088411538144.

The previous prime is 131000042009951. The next prime is 131000042009987. The reversal of 131000042009977 is 779900240000131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131000042009977 - 2¹¹ = 131000042007929 is a prime.

It is a super-2 number, since 2×131000042009977² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131000042009917) 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, 16444892077 + ... + 16444900042.

It is an arithmetic number, because the mean of its divisors is an integer number (18747181508400).

Almost surely, 2^{131000042009977} is an apocalyptic number.

It is an amenable number.

131000042009977 is a deficient number, since it is larger than the sum of its proper divisors (18977410057223).

131000042009977 is an equidigital number, since it uses as much as digits as its factorization.

131000042009977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32889792695.

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 131000042009977 in words is "one hundred thirty-one trillion, forty-two million, nine thousand, nine hundred seventy-seven".