131120310555031 has 64 divisors (see below), whose sum is σ = 159673485312000. Its totient is φ = 105272743855104.

The previous prime is 131120310554951. The next prime is 131120310555049. The reversal of 131120310555031 is 130555013021131.

It is not a de Polignac number, because 131120310555031 - 2²³ = 131120302166423 is a prime.

It is a super-2 number, since 2×131120310555031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131120310554984 and 131120310555002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131120310555131) 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, 4966853370 + ... + 4966879768.

It is an arithmetic number, because the mean of its divisors is an integer number (2494898208000).

Almost surely, 2^{131120310555031} is an apocalyptic number.

131120310555031 is a deficient number, since it is larger than the sum of its proper divisors (28553174756969).

131120310555031 is a wasteful number, since it uses less digits than its factorization.

131120310555031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28376.

The product of its (nonzero) digits is 6750, while the sum is 31.

Adding to 131120310555031 its reverse (130555013021131), we get a palindrome (261675323576162).

The spelling of 131120310555031 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred ten million, five hundred fifty-five thousand, thirty-one".