312378601 has 4 divisors (see below), whose sum is σ = 328819600. Its totient is φ = 295937604.

The previous prime is 312378569. The next prime is 312378641. The reversal of 312378601 is 106873213.

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, and also an emirpimes, since its reverse is a distinct semiprime: 106873213 = 31 ⋅3447523.

It is a cyclic number.

It is not a de Polignac number, because 312378601 - 2⁵ = 312378569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312378641) 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, 8220471 + ... + 8220508.

It is an arithmetic number, because the mean of its divisors is an integer number (82204900).

Almost surely, 2^312378601 is an apocalyptic number.

It is an amenable number.

312378601 is a deficient number, since it is larger than the sum of its proper divisors (16440999).

312378601 is a wasteful number, since it uses less digits than its factorization.

312378601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16440998.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 312378601 is about 17674.2355138773. The cubic root of 312378601 is about 678.5165187448.

The spelling of 312378601 in words is "three hundred twelve million, three hundred seventy-eight thousand, six hundred one".