311313031001222 has 16 divisors (see below), whose sum is σ = 501402263687712. Its totient is φ = 144436866080640.

The previous prime is 311313031001173. The next prime is 311313031001233. The reversal of 311313031001222 is 222100130313113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64480741373 + ... + 64480746200.

It is an arithmetic number, because the mean of its divisors is an integer number (31337641480482).

Almost surely, 2^{311313031001222} is an apocalyptic number.

311313031001222 is a deficient number, since it is larger than the sum of its proper divisors (190089232686490).

311313031001222 is a wasteful number, since it uses less digits than its factorization.

311313031001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128961487663.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 311313031001222 its reverse (222100130313113), we get a palindrome (533413161314335).

The spelling of 311313031001222 in words is "three hundred eleven trillion, three hundred thirteen billion, thirty-one million, one thousand, two hundred twenty-two".