313421003 has 6 divisors (see below), whose sum is σ = 364591836. Its totient is φ = 268646532.

The previous prime is 313420997. The next prime is 313421033. The reversal of 313421003 is 300124313.

It is a happy number.

It is not a de Polignac number, because 313421003 - 2¹² = 313416907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313421033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3198125 + ... + 3198222.

It is an arithmetic number, because the mean of its divisors is an integer number (60765306).

Almost surely, 2^313421003 is an apocalyptic number.

313421003 is a deficient number, since it is larger than the sum of its proper divisors (51170833).

313421003 is an equidigital number, since it uses as much as digits as its factorization.

313421003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396361 (or 6396354 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 313421003 is about 17703.7002629394. The cubic root of 313421003 is about 679.2704134251.

Adding to 313421003 its reverse (300124313), we get a palindrome (613545316).

The spelling of 313421003 in words is "three hundred thirteen million, four hundred twenty-one thousand, three".