312355345 has 16 divisors (see below), whose sum is σ = 395568000. Its totient is φ = 236124288.

The previous prime is 312355339. The next prime is 312355361. The reversal of 312355345 is 543553213.

It is a cyclic number.

It is not a de Polignac number, because 312355345 - 2¹⁹ = 311831057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34836 + ... + 42874.

It is an arithmetic number, because the mean of its divisors is an integer number (24723000).

Almost surely, 2^312355345 is an apocalyptic number.

It is an amenable number.

312355345 is a deficient number, since it is larger than the sum of its proper divisors (83212655).

312355345 is a wasteful number, since it uses less digits than its factorization.

312355345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472.

The product of its digits is 27000, while the sum is 31.

The square root of 312355345 is about 17673.5775948165. The cubic root of 312355345 is about 678.4996802335.

The spelling of 312355345 in words is "three hundred twelve million, three hundred fifty-five thousand, three hundred forty-five".