311400022205 has 16 divisors (see below), whose sum is σ = 395674689024. Its totient is φ = 234457908480.

The previous prime is 311400022139. The next prime is 311400022211. The reversal of 311400022205 is 502220004113.

It is not a de Polignac number, because 311400022205 - 2⁸ = 311400021949 is a prime.

It is a Duffinian number.

It is a congruent 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, 3968300 + ... + 4046010.

It is an arithmetic number, because the mean of its divisors is an integer number (24729668064).

Almost surely, 2^311400022205 is an apocalyptic number.

It is an amenable number.

311400022205 is a deficient number, since it is larger than the sum of its proper divisors (84274666819).

311400022205 is a wasteful number, since it uses less digits than its factorization.

311400022205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124876.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 311400022205 its reverse (502220004113), we get a palindrome (813620026318).

The spelling of 311400022205 in words is "three hundred eleven billion, four hundred million, twenty-two thousand, two hundred five".