131303200220031 has 16 divisors (see below), whose sum is σ = 200096554764800. Its totient is φ = 75024592214688.

The previous prime is 131303200219991. The next prime is 131303200220057. The reversal of 131303200220031 is 130022002303131.

It is not a de Polignac number, because 131303200220031 - 2¹⁴ = 131303200203647 is a prime.

It is a super-2 number, since 2×131303200220031² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303200222031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241718536 + ... + 242261133.

It is an arithmetic number, because the mean of its divisors is an integer number (12506034672800).

Almost surely, 2^{131303200220031} is an apocalyptic number.

131303200220031 is a deficient number, since it is larger than the sum of its proper divisors (68793354544769).

131303200220031 is a wasteful number, since it uses less digits than its factorization.

131303200220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483992598.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131303200220031 its reverse (130022002303131), we get a palindrome (261325202523162).

The spelling of 131303200220031 in words is "one hundred thirty-one trillion, three hundred three billion, two hundred million, two hundred twenty thousand, thirty-one".