17310390061 has 2 divisors, whose sum is σ = 17310390062. Its totient is φ = 17310390060.

The previous prime is 17310390047. The next prime is 17310390143. The reversal of 17310390061 is 16009301371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16520217961 + 790172100 = 128531^2 + 28110^2 .

It is a cyclic number.

It is not a de Polignac number, because 17310390061 - 2⁷ = 17310389933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17310394061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8655195030 + 8655195031.

It is an arithmetic number, because the mean of its divisors is an integer number (8655195031).

Almost surely, 2^17310390061 is an apocalyptic number.

It is an amenable number.

17310390061 is a deficient number, since it is larger than the sum of its proper divisors (1).

17310390061 is an equidigital number, since it uses as much as digits as its factorization.

17310390061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The spelling of 17310390061 in words is "seventeen billion, three hundred ten million, three hundred ninety thousand, sixty-one".