311313201002 has 8 divisors (see below), whose sum is σ = 467118669636. Its totient is φ = 155606977792.

The previous prime is 311313200953. The next prime is 311313201091. The reversal of 311313201002 is 200102313113.

It can be written as a sum of positive squares in 2 ways, for example, as 303425807281 + 7887393721 = 550841^2 + 88811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×311313201002² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24803513 + ... + 24816060.

Almost surely, 2^311313201002 is an apocalyptic number.

311313201002 is a deficient number, since it is larger than the sum of its proper divisors (155805468634).

311313201002 is a wasteful number, since it uses less digits than its factorization.

311313201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49622712.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 311313201002 its reverse (200102313113), we get a palindrome (511415514115).

The spelling of 311313201002 in words is "three hundred eleven billion, three hundred thirteen million, two hundred one thousand, two".