312601401 has 12 divisors (see below), whose sum is σ = 516040512. Its totient is φ = 178629336.

The previous prime is 312601397. The next prime is 312601439. The reversal of 312601401 is 104106213.

It is a happy number.

312601401 is a `hidden beast` number, since 3 + 1 + 260 + 1 + 401 = 666.

It is not a de Polignac number, because 312601401 - 2² = 312601397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312601801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2480901 + ... + 2481026.

It is an arithmetic number, because the mean of its divisors is an integer number (43003376).

Almost surely, 2^312601401 is an apocalyptic number.

It is an amenable number.

312601401 is a deficient number, since it is larger than the sum of its proper divisors (203439111).

312601401 is a wasteful number, since it uses less digits than its factorization.

312601401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961940 (or 4961937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 312601401 is about 17680.5373504314. The cubic root of 312601401 is about 678.6777947875.

Adding to 312601401 its reverse (104106213), we get a palindrome (416707614).

The spelling of 312601401 in words is "three hundred twelve million, six hundred one thousand, four hundred one".