312880001 has 4 divisors (see below), whose sum is σ = 357577152. Its totient is φ = 268182852.

The previous prime is 312879991. The next prime is 312880027. The reversal of 312880001 is 100088213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-312880001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312886001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22348565 + ... + 22348578.

It is an arithmetic number, because the mean of its divisors is an integer number (89394288).

Almost surely, 2^312880001 is an apocalyptic number.

It is an amenable number.

312880001 is a deficient number, since it is larger than the sum of its proper divisors (44697151).

312880001 is an equidigital number, since it uses as much as digits as its factorization.

312880001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44697150.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 312880001 is about 17688.4143155909. The cubic root of 312880001 is about 678.8793544410.

The spelling of 312880001 in words is "three hundred twelve million, eight hundred eighty thousand, one".