3161920059913 has 2 divisors, whose sum is σ = 3161920059914. Its totient is φ = 3161920059912.

The previous prime is 3161920059827. The next prime is 3161920059973. The reversal of 3161920059913 is 3199500291613.

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., 3131898260089 + 30021799824 = 1769717^2 + 173268^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161920059913 - 2⁴¹ = 962896804361 is a prime.

It is not a weakly prime, because it can be changed into another prime (3161920059973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580960029956 + 1580960029957.

It is an arithmetic number, because the mean of its divisors is an integer number (1580960029957).

Almost surely, 2^{3161920059913} is an apocalyptic number.

It is an amenable number.

3161920059913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161920059913 is an equidigital number, since it uses as much as digits as its factorization.

3161920059913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393660, while the sum is 49.

The spelling of 3161920059913 in words is "three trillion, one hundred sixty-one billion, nine hundred twenty million, fifty-nine thousand, nine hundred thirteen".