320355002100131 has 32 divisors (see below), whose sum is σ = 348983738148672. Its totient is φ = 292964472852480.

The previous prime is 320355002100073. The next prime is 320355002100139. The reversal of 320355002100131 is 131001200553023.

It is not a de Polignac number, because 320355002100131 - 2¹⁸ = 320355001837987 is a prime.

It is a super-2 number, since 2×320355002100131² (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 320355002100131.

It is not an unprimeable number, because it can be changed into a prime (320355002100139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17960561 + ... + 31036941.

It is an arithmetic number, because the mean of its divisors is an integer number (10905741817146).

Almost surely, 2^{320355002100131} is an apocalyptic number.

320355002100131 is a deficient number, since it is larger than the sum of its proper divisors (28628736048541).

320355002100131 is a wasteful number, since it uses less digits than its factorization.

320355002100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13076759.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 320355002100131 its reverse (131001200553023), we get a palindrome (451356202653154).

The spelling of 320355002100131 in words is "three hundred twenty trillion, three hundred fifty-five billion, two million, one hundred thousand, one hundred thirty-one".