312313303 has 2 divisors, whose sum is σ = 312313304. Its totient is φ = 312313302.

The previous prime is 312313291. The next prime is 312313319. The reversal of 312313303 is 303313213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312313303 - 2¹⁷ = 312182231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312313333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156156651 + 156156652.

It is an arithmetic number, because the mean of its divisors is an integer number (156156652).

Almost surely, 2^312313303 is an apocalyptic number.

312313303 is a deficient number, since it is larger than the sum of its proper divisors (1).

312313303 is an equidigital number, since it uses as much as digits as its factorization.

312313303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 312313303 is about 17672.3881521429. The cubic root of 312313303 is about 678.4692375941.

Adding to 312313303 its reverse (303313213), we get a palindrome (615626516).

The spelling of 312313303 in words is "three hundred twelve million, three hundred thirteen thousand, three hundred three".