311313112002 has 24 divisors (see below), whose sum is σ = 690198063984. Its totient is φ = 101357757144.

The previous prime is 311313111973. The next prime is 311313112009. The reversal of 311313112002 is 200211313113.

311313112002 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (311313112009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201105888 + ... + 201107435.

It is an arithmetic number, because the mean of its divisors is an integer number (28758252666).

Almost surely, 2^311313112002 is an apocalyptic number.

311313112002 is an abundant number, since it is smaller than the sum of its proper divisors (378884951982).

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

311313112002 is a wasteful number, since it uses less digits than its factorization.

311313112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402213374 (or 402213371 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 311313112002 its reverse (200211313113), we get a palindrome (511524425115).

The spelling of 311313112002 in words is "three hundred eleven billion, three hundred thirteen million, one hundred twelve thousand, two".