311130022213 has 16 divisors (see below), whose sum is σ = 333198504000. Its totient is φ = 289635132672.

The previous prime is 311130022163. The next prime is 311130022223. The reversal of 311130022213 is 312220031113.

It is a cyclic number.

It is not a de Polignac number, because 311130022213 - 2⁹ = 311130021701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311130022223) 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, 2619981 + ... + 2736157.

It is an arithmetic number, because the mean of its divisors is an integer number (20824906500).

Almost surely, 2^311130022213 is an apocalyptic number.

It is an amenable number.

311130022213 is a deficient number, since it is larger than the sum of its proper divisors (22068481787).

311130022213 is a wasteful number, since it uses less digits than its factorization.

311130022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118644.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 311130022213 its reverse (312220031113), we get a palindrome (623350053326).

The spelling of 311130022213 in words is "three hundred eleven billion, one hundred thirty million, twenty-two thousand, two hundred thirteen".