311220626022113 has 16 divisors (see below), whose sum is σ = 322839705507840. Its totient is φ = 299823631573200.

The previous prime is 311220626022091. The next prime is 311220626022121.

311220626022113 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 311220626022113 - 2³⁰ = 311219552280289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311220626022113.

It is not an unprimeable number, because it can be changed into a prime (311220626022133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73268483 + ... + 77399688.

It is an arithmetic number, because the mean of its divisors is an integer number (20177481594240).

Almost surely, 2^{311220626022113} is an apocalyptic number.

It is an amenable number.

311220626022113 is a deficient number, since it is larger than the sum of its proper divisors (11619079485727).

311220626022113 is a wasteful number, since it uses less digits than its factorization.

311220626022113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150668908.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 311220626022113 in words is "three hundred eleven trillion, two hundred twenty billion, six hundred twenty-six million, twenty-two thousand, one hundred thirteen".