313021004 has 12 divisors (see below), whose sum is σ = 548103528. Its totient is φ = 156420000.

The previous prime is 313020997. The next prime is 313021013. The reversal of 313021004 is 400120313.

It is a self number, because there is not a number n which added to its sum of digits gives 313021004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14522 + ... + 28929.

It is an arithmetic number, because the mean of its divisors is an integer number (45675294).

Almost surely, 2^313021004 is an apocalyptic number.

It is an amenable number.

313021004 is a deficient number, since it is larger than the sum of its proper divisors (235082524).

313021004 is a wasteful number, since it uses less digits than its factorization.

313021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45256 (or 45254 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 313021004 is about 17692.3996111325. The cubic root of 313021004 is about 678.9813207425.

Adding to 313021004 its reverse (400120313), we get a palindrome (713141317).

The spelling of 313021004 in words is "three hundred thirteen million, twenty-one thousand, four".