331201211031023 has 2 divisors, whose sum is σ = 331201211031024. Its totient is φ = 331201211031022.

The previous prime is 331201211031013. The next prime is 331201211031037. The reversal of 331201211031023 is 320130112102133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331201211031023 - 2⁴ = 331201211031007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331201211031023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331201211031013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165600605515511 + 165600605515512.

It is an arithmetic number, because the mean of its divisors is an integer number (165600605515512).

Almost surely, 2^{331201211031023} is an apocalyptic number.

331201211031023 is a deficient number, since it is larger than the sum of its proper divisors (1).

331201211031023 is an equidigital number, since it uses as much as digits as its factorization.

331201211031023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 331201211031023 its reverse (320130112102133), we get a palindrome (651331323133156).

The spelling of 331201211031023 in words is "three hundred thirty-one trillion, two hundred one billion, two hundred eleven million, thirty-one thousand, twenty-three".