311002203042 has 96 divisors (see below), whose sum is σ = 711085003200. Its totient is φ = 98096068224.

The previous prime is 311002203037. The next prime is 311002203053. The reversal of 311002203042 is 240302200113.

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 47 ways as a sum of consecutive naturals, for example, 6867309 + ... + 6912447.

It is an arithmetic number, because the mean of its divisors is an integer number (7407135450).

Almost surely, 2^311002203042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311002203042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355542501600).

311002203042 is an abundant number, since it is smaller than the sum of its proper divisors (400082800158).

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

311002203042 is a wasteful number, since it uses less digits than its factorization.

311002203042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45440 (or 45437 counting only the distinct ones).

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

Adding to 311002203042 its reverse (240302200113), we get a palindrome (551304403155).

The spelling of 311002203042 in words is "three hundred eleven billion, two million, two hundred three thousand, forty-two".