311113331320002 has 32 divisors (see below), whose sum is σ = 625272350883840. Its totient is φ = 103198062640080.

The previous prime is 311113331319977. The next prime is 311113331320003. The reversal of 311113331320002 is 200023133311113.

It is not an unprimeable number, because it can be changed into a prime (311113331320003) 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, 153187524 + ... + 155205167.

It is an arithmetic number, because the mean of its divisors is an integer number (19539760965120).

Almost surely, 2^{311113331320002} is an apocalyptic number.

311113331320002 is an abundant number, since it is smaller than the sum of its proper divisors (314159019563838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311113331320002 is a wasteful number, since it uses less digits than its factorization.

311113331320002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308393518.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 311113331320002 its reverse (200023133311113), we get a palindrome (511136464631115).

The spelling of 311113331320002 in words is "three hundred eleven trillion, one hundred thirteen billion, three hundred thirty-one million, three hundred twenty thousand, two".