331013231231131 has 2 divisors, whose sum is σ = 331013231231132. Its totient is φ = 331013231231130.

The previous prime is 331013231230991. The next prime is 331013231231141. The reversal of 331013231231131 is 131132132310133.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331013231231131 - 2³⁷ = 330875792277659 is a prime.

It is a super-2 number, since 2×331013231231131² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331013231231131.

It is not a weakly prime, because it can be changed into another prime (331013231231141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165506615615565 + 165506615615566.

It is an arithmetic number, because the mean of its divisors is an integer number (165506615615566).

Almost surely, 2^{331013231231131} is an apocalyptic number.

331013231231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

331013231231131 is an equidigital number, since it uses as much as digits as its factorization.

331013231231131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 331013231231131 its reverse (131132132310133), we get a palindrome (462145363541264).

The spelling of 331013231231131 in words is "three hundred thirty-one trillion, thirteen billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty-one".