311133222113 has 32 divisors (see below), whose sum is σ = 369460224000. Its totient is φ = 256359216960.

The previous prime is 311133222073. The next prime is 311133222119. The reversal of 311133222113 is 311222331113.

It is not a de Polignac number, because 311133222113 - 2⁸ = 311133221857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311133222119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56372168 + ... + 56377686.

It is an arithmetic number, because the mean of its divisors is an integer number (11545632000).

Almost surely, 2^311133222113 is an apocalyptic number.

It is an amenable number.

311133222113 is a deficient number, since it is larger than the sum of its proper divisors (58327001887).

311133222113 is a wasteful number, since it uses less digits than its factorization.

311133222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725.

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

Adding to 311133222113 its reverse (311222331113), we get a palindrome (622355553226).

The spelling of 311133222113 in words is "three hundred eleven billion, one hundred thirty-three million, two hundred twenty-two thousand, one hundred thirteen".