312415401 has 4 divisors (see below), whose sum is σ = 416553872. Its totient is φ = 208276932.

The previous prime is 312415391. The next prime is 312415421. The reversal of 312415401 is 104514213.

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 not a de Polignac number, because 312415401 - 2⁹ = 312414889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312415421) 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, 52069231 + ... + 52069236.

It is an arithmetic number, because the mean of its divisors is an integer number (104138468).

Almost surely, 2^312415401 is an apocalyptic number.

It is an amenable number.

312415401 is a deficient number, since it is larger than the sum of its proper divisors (104138471).

312415401 is a wasteful number, since it uses less digits than its factorization.

312415401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104138470.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 312415401 is about 17675.2765466343. The cubic root of 312415401 is about 678.5431620844.

Adding to 312415401 its reverse (104514213), we get a palindrome (416929614).

The spelling of 312415401 in words is "three hundred twelve million, four hundred fifteen thousand, four hundred one".