331213030233131 has 2 divisors, whose sum is σ = 331213030233132. Its totient is φ = 331213030233130.

The previous prime is 331213030233103. The next prime is 331213030233179. The reversal of 331213030233131 is 131332030312133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331213030233131 - 2⁴⁶ = 260844286055467 is a prime.

It is a super-2 number, since 2×331213030233131² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331213030233094 and 331213030233103.

It is not a weakly prime, because it can be changed into another prime (331213030233731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165606515116565 + 165606515116566.

It is an arithmetic number, because the mean of its divisors is an integer number (165606515116566).

Almost surely, 2^{331213030233131} is an apocalyptic number.

331213030233131 is a deficient number, since it is larger than the sum of its proper divisors (1).

331213030233131 is an equidigital number, since it uses as much as digits as its factorization.

331213030233131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 331213030233131 its reverse (131332030312133), we get a palindrome (462545060545264).

The spelling of 331213030233131 in words is "three hundred thirty-one trillion, two hundred thirteen billion, thirty million, two hundred thirty-three thousand, one hundred thirty-one".