131567761983 has 64 divisors (see below), whose sum is σ = 210413235200. Its totient is φ = 73042300800.

The previous prime is 131567761979. The next prime is 131567762021. The reversal of 131567761983 is 389167765131.

It is not a de Polignac number, because 131567761983 - 2² = 131567761979 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131567761903) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30875073 + ... + 30879333.

It is an arithmetic number, because the mean of its divisors is an integer number (3287706800).

Almost surely, 2^131567761983 is an apocalyptic number.

131567761983 is a deficient number, since it is larger than the sum of its proper divisors (78845473217).

131567761983 is an equidigital number, since it uses as much as digits as its factorization.

131567761983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133 (or 5119 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The spelling of 131567761983 in words is "one hundred thirty-one billion, five hundred sixty-seven million, seven hundred sixty-one thousand, nine hundred eighty-three".