311320103002 has 4 divisors (see below), whose sum is σ = 466980154506. Its totient is φ = 155660051500.

The previous prime is 311320102997. The next prime is 311320103027. The reversal of 311320103002 is 200301023113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 193486496641 + 117833606361 = 439871^2 + 343269^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77830025749 + ... + 77830025752.

Almost surely, 2^311320103002 is an apocalyptic number.

311320103002 is a deficient number, since it is larger than the sum of its proper divisors (155660051504).

311320103002 is a wasteful number, since it uses less digits than its factorization.

311320103002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155660051503.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 311320103002 its reverse (200301023113), we get a palindrome (511621126115).

The spelling of 311320103002 in words is "three hundred eleven billion, three hundred twenty million, one hundred three thousand, two".