313121002 has 8 divisors (see below), whose sum is σ = 471036096. Its totient is φ = 156108972.

The previous prime is 313120981. The next prime is 313121041. The reversal of 313121002 is 200121313.

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, 224898 + ... + 226285.

It is an arithmetic number, because the mean of its divisors is an integer number (58879512).

Almost surely, 2^313121002 is an apocalyptic number.

313121002 is a deficient number, since it is larger than the sum of its proper divisors (157915094).

313121002 is a wasteful number, since it uses less digits than its factorization.

313121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451532.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 313121002 is about 17695.2254012205. The cubic root of 313121002 is about 679.0536157263.

Adding to 313121002 its reverse (200121313), we get a palindrome (513242315).

The spelling of 313121002 in words is "three hundred thirteen million, one hundred twenty-one thousand, two".