131303122020031 has 16 divisors (see below), whose sum is σ = 143402262409728. Its totient is φ = 119489712703200.

The previous prime is 131303122020001. The next prime is 131303122020043. The reversal of 131303122020031 is 130020221303131.

It is a cyclic number.

It is not a de Polignac number, because 131303122020031 - 2¹¹ = 131303122017983 is a prime.

It is a super-3 number, since 3×131303122020031³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131303122019984 and 131303122020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303122020001) 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, 14558136 + ... + 21784066.

It is an arithmetic number, because the mean of its divisors is an integer number (8962641400608).

Almost surely, 2^{131303122020031} is an apocalyptic number.

131303122020031 is a deficient number, since it is larger than the sum of its proper divisors (12099140389697).

131303122020031 is a wasteful number, since it uses less digits than its factorization.

131303122020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245702.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131303122020031 its reverse (130020221303131), we get a palindrome (261323343323162).

The spelling of 131303122020031 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twenty-two million, twenty thousand, thirty-one".