3210431313161 has 2 divisors, whose sum is σ = 3210431313162. Its totient is φ = 3210431313160.

The previous prime is 3210431313139. The next prime is 3210431313179. The reversal of 3210431313161 is 1613131340123.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3209758896400 + 672416761 = 1791580^2 + 25931^2 .

It is an emirp because it is prime and its reverse (1613131340123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3210431313161 - 2⁶ = 3210431313097 is a prime.

It is not a weakly prime, because it can be changed into another prime (3210431303161) 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 as a sum of consecutive naturals, namely, 1605215656580 + 1605215656581.

It is an arithmetic number, because the mean of its divisors is an integer number (1605215656581).

Almost surely, 2^{3210431313161} is an apocalyptic number.

It is an amenable number.

3210431313161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3210431313161 is an equidigital number, since it uses as much as digits as its factorization.

3210431313161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 3210431313161 its reverse (1613131340123), we get a palindrome (4823562653284).

The spelling of 3210431313161 in words is "three trillion, two hundred ten billion, four hundred thirty-one million, three hundred thirteen thousand, one hundred sixty-one".