312603497 has 12 divisors (see below), whose sum is σ = 332900976. Its totient is φ = 293482560.

The previous prime is 312603493. The next prime is 312603503. The reversal of 312603497 is 794306213.

It is not a de Polignac number, because 312603497 - 2² = 312603493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312603493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140798 + ... + 143000.

It is an arithmetic number, because the mean of its divisors is an integer number (27741748).

Almost surely, 2^312603497 is an apocalyptic number.

It is an amenable number.

312603497 is a deficient number, since it is larger than the sum of its proper divisors (20297479).

312603497 is a wasteful number, since it uses less digits than its factorization.

312603497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 312603497 is about 17680.5966245486. The cubic root of 312603497 is about 678.6793116345.

The spelling of 312603497 in words is "three hundred twelve million, six hundred three thousand, four hundred ninety-seven".