313477220065 has 16 divisors (see below), whose sum is σ = 376609274496. Its totient is φ = 250490880000.

The previous prime is 313477220057. The next prime is 313477220099. The reversal of 313477220065 is 560022774313.

It is not a de Polignac number, because 313477220065 - 2³ = 313477220057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16997089 + ... + 17015521.

It is an arithmetic number, because the mean of its divisors is an integer number (23538079656).

Almost surely, 2^313477220065 is an apocalyptic number.

It is an amenable number.

313477220065 is a deficient number, since it is larger than the sum of its proper divisors (63132054431).

313477220065 is a wasteful number, since it uses less digits than its factorization.

313477220065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22200.

The product of its (nonzero) digits is 211680, while the sum is 40.

Adding to 313477220065 its reverse (560022774313), we get a palindrome (873499994378).

The spelling of 313477220065 in words is "three hundred thirteen billion, four hundred seventy-seven million, two hundred twenty thousand, sixty-five".