313349503 has 2 divisors, whose sum is σ = 313349504. Its totient is φ = 313349502.

The previous prime is 313349459. The next prime is 313349573. The reversal of 313349503 is 305943313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313349503 is a prime.

It is a super-2 number, since 2×313349503² = 196375822060694018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313349573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156674751 + 156674752.

It is an arithmetic number, because the mean of its divisors is an integer number (156674752).

Almost surely, 2^313349503 is an apocalyptic number.

313349503 is a deficient number, since it is larger than the sum of its proper divisors (1).

313349503 is an equidigital number, since it uses as much as digits as its factorization.

313349503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 313349503 is about 17701.6807959018. The cubic root of 313349503 is about 679.2187560401.

The spelling of 313349503 in words is "three hundred thirteen million, three hundred forty-nine thousand, five hundred three".