313121014 has 4 divisors (see below), whose sum is σ = 469681524. Its totient is φ = 156560506.

The previous prime is 313120981. The next prime is 313121041. The reversal of 313121014 is 410121313.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78280252 + ... + 78280255.

It is an arithmetic number, because the mean of its divisors is an integer number (117420381).

Almost surely, 2^313121014 is an apocalyptic number.

313121014 is a deficient number, since it is larger than the sum of its proper divisors (156560510).

313121014 is a wasteful number, since it uses less digits than its factorization.

313121014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156560509.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 313121014 is about 17695.2257402950. The cubic root of 313121014 is about 679.0536244009.

Adding to 313121014 its reverse (410121313), we get a palindrome (723242327).

The spelling of 313121014 in words is "three hundred thirteen million, one hundred twenty-one thousand, fourteen".