312513494 has 8 divisors (see below), whose sum is σ = 471916800. Its totient is φ = 155207896.

The previous prime is 312513473. The next prime is 312513497. The reversal of 312513494 is 494315213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 312513494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312513497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524054 + ... + 524649.

It is an arithmetic number, because the mean of its divisors is an integer number (58989600).

Almost surely, 2^312513494 is an apocalyptic number.

312513494 is a deficient number, since it is larger than the sum of its proper divisors (159403306).

312513494 is a wasteful number, since it uses less digits than its factorization.

312513494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048854.

The product of its digits is 12960, while the sum is 32.

The square root of 312513494 is about 17678.0511934998. The cubic root of 312513494 is about 678.6141715685.

The spelling of 312513494 in words is "three hundred twelve million, five hundred thirteen thousand, four hundred ninety-four".