313121365466 has 32 divisors (see below), whose sum is σ = 582229038720. Its totient is φ = 122981011776.

The previous prime is 313121365457. The next prime is 313121365483. The reversal of 313121365466 is 664563121313.

It is a super-2 number, since 2×313121365466² (a number of 24 digits) contains 22 as substring.

It is a Curzon 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, 6163361 + ... + 6213956.

It is an arithmetic number, because the mean of its divisors is an integer number (18194657460).

Almost surely, 2^313121365466 is an apocalyptic number.

313121365466 is a deficient number, since it is larger than the sum of its proper divisors (269107673254).

313121365466 is a wasteful number, since it uses less digits than its factorization.

313121365466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12377478.

The product of its digits is 233280, while the sum is 41.

Adding to 313121365466 its reverse (664563121313), we get a palindrome (977684486779).

The spelling of 313121365466 in words is "three hundred thirteen billion, one hundred twenty-one million, three hundred sixty-five thousand, four hundred sixty-six".