313503361 has 2 divisors, whose sum is σ = 313503362. Its totient is φ = 313503360.

The previous prime is 313503353. The next prime is 313503397. The reversal of 313503361 is 163305313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179962225 + 133541136 = 13415^2 + 11556^2 .

It is a cyclic number.

It is not a de Polignac number, because 313503361 - 2³ = 313503353 is a prime.

It is not a weakly prime, because it can be changed into another prime (313503661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156751680 + 156751681.

It is an arithmetic number, because the mean of its divisors is an integer number (156751681).

Almost surely, 2^313503361 is an apocalyptic number.

It is an amenable number.

313503361 is a deficient number, since it is larger than the sum of its proper divisors (1).

313503361 is an equidigital number, since it uses as much as digits as its factorization.

313503361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 313503361 is about 17706.0261210696. The cubic root of 313503361 is about 679.3299057723.

Adding to 313503361 its reverse (163305313), we get a palindrome (476808674).

The spelling of 313503361 in words is "three hundred thirteen million, five hundred three thousand, three hundred sixty-one".