311344002 has 24 divisors (see below), whose sum is σ = 675177984. Its totient is φ = 103689144.

The previous prime is 311343997. The next prime is 311344021. The reversal of 311344002 is 200443113.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14943 + ... + 29085.

It is an arithmetic number, because the mean of its divisors is an integer number (28132416).

Almost surely, 2^311344002 is an apocalyptic number.

311344002 is an abundant number, since it is smaller than the sum of its proper divisors (363833982).

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

311344002 is a wasteful number, since it uses less digits than its factorization.

311344002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15374 (or 15371 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 311344002 is about 17644.9426748856. The cubic root of 311344002 is about 677.7666072173.

Adding to 311344002 its reverse (200443113), we get a palindrome (511787115).

The spelling of 311344002 in words is "three hundred eleven million, three hundred forty-four thousand, two".