313221002 has 8 divisors (see below), whose sum is σ = 472456800. Its totient is φ = 155735404.

The previous prime is 313220981. The next prime is 313221011. The reversal of 313221002 is 200122313.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437102 + ... + 437817.

It is an arithmetic number, because the mean of its divisors is an integer number (59057100).

Almost surely, 2^313221002 is an apocalyptic number.

313221002 is a deficient number, since it is larger than the sum of its proper divisors (159235798).

313221002 is a wasteful number, since it uses less digits than its factorization.

313221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875100.

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

The square root of 313221002 is about 17698.0507966273. The cubic root of 313221002 is about 679.1258967652.

Adding to 313221002 its reverse (200122313), we get a palindrome (513343315).

The spelling of 313221002 in words is "three hundred thirteen million, two hundred twenty-one thousand, two".