313431103 has 8 divisors (see below), whose sum is σ = 314929440. Its totient is φ = 311937120.

The previous prime is 313431089. The next prime is 313431149. The reversal of 313431103 is 301134313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313431103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313411103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332613 + ... + 333553.

It is an arithmetic number, because the mean of its divisors is an integer number (39366180).

Almost surely, 2^313431103 is an apocalyptic number.

313431103 is a deficient number, since it is larger than the sum of its proper divisors (1498337).

313431103 is an equidigital number, since it uses as much as digits as its factorization.

313431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 313431103 is about 17703.9855117428. The cubic root of 313431103 is about 679.2777098490.

Adding to 313431103 its reverse (301134313), we get a palindrome (614565416).

The spelling of 313431103 in words is "three hundred thirteen million, four hundred thirty-one thousand, one hundred three".