312545013 has 8 divisors (see below), whose sum is σ = 454610976. Its totient is φ = 189421200.

The previous prime is 312544993. The next prime is 312545021. The reversal of 312545013 is 310545213.

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

It is not a de Polignac number, because 312545013 - 2¹⁰ = 312543989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312545033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4735498 + ... + 4735563.

It is an arithmetic number, because the mean of its divisors is an integer number (56826372).

Almost surely, 2^312545013 is an apocalyptic number.

312545013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

312545013 is a deficient number, since it is larger than the sum of its proper divisors (142065963).

312545013 is a wasteful number, since it uses less digits than its factorization.

312545013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471075.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 312545013 is about 17678.9426437217. The cubic root of 312545013 is about 678.6369850058.

The spelling of 312545013 in words is "three hundred twelve million, five hundred forty-five thousand, thirteen".