131312030331 has 16 divisors (see below), whose sum is σ = 176023203840. Its totient is φ = 87071230080.

The previous prime is 131312030303. The next prime is 131312030393. The reversal of 131312030331 is 133030213131.

It is not a de Polignac number, because 131312030331 - 2⁵ = 131312030299 is a prime.

It is a super-2 number, since 2×131312030331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131312030298 and 131312030307.

It is not an unprimeable number, because it can be changed into a prime (131312030231) 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, 6931290 + ... + 6950208.

It is an arithmetic number, because the mean of its divisors is an integer number (11001450240).

Almost surely, 2^131312030331 is an apocalyptic number.

131312030331 is a deficient number, since it is larger than the sum of its proper divisors (44711173509).

131312030331 is a wasteful number, since it uses less digits than its factorization.

131312030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31226.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 131312030331 its reverse (133030213131), we get a palindrome (264342243462).

The spelling of 131312030331 in words is "one hundred thirty-one billion, three hundred twelve million, thirty thousand, three hundred thirty-one".