131012201210331 has 32 divisors (see below), whose sum is σ = 203905798871040. Its totient is φ = 73263876466176.

The previous prime is 131012201210309. The next prime is 131012201210347. The reversal of 131012201210331 is 133012102210131.

It is not a de Polignac number, because 131012201210331 - 2¹⁴ = 131012201193947 is a prime.

It is a super-2 number, since 2×131012201210331² (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 junction number, because it is equal to n+sod(n) for n = 131012201210298 and 131012201210307.

It is not an unprimeable number, because it can be changed into a prime (131012201210351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3115575 + ... + 16484271.

It is an arithmetic number, because the mean of its divisors is an integer number (6372056214720).

Almost surely, 2^{131012201210331} is an apocalyptic number.

131012201210331 is a deficient number, since it is larger than the sum of its proper divisors (72893597660709).

131012201210331 is a wasteful number, since it uses less digits than its factorization.

131012201210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13378683.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 131012201210331 its reverse (133012102210131), we get a palindrome (264024303420462).

The spelling of 131012201210331 in words is "one hundred thirty-one trillion, twelve billion, two hundred one million, two hundred ten thousand, three hundred thirty-one".