313312220111 has 24 divisors (see below), whose sum is σ = 358823413200. Its totient is φ = 273028694400.

The previous prime is 313312220101. The next prime is 313312220113. The reversal of 313312220111 is 111022213313.

It is a happy number.

It is not a de Polignac number, because 313312220111 - 2¹⁸ = 313311957967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313312220113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166571 + ... + 808931.

It is an arithmetic number, because the mean of its divisors is an integer number (14950975550).

Almost surely, 2^313312220111 is an apocalyptic number.

313312220111 is a deficient number, since it is larger than the sum of its proper divisors (45511193089).

313312220111 is a wasteful number, since it uses less digits than its factorization.

313312220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642551 (or 642540 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 313312220111 its reverse (111022213313), we get a palindrome (424334433424).

The spelling of 313312220111 in words is "three hundred thirteen billion, three hundred twelve million, two hundred twenty thousand, one hundred eleven".