312302401 has 4 divisors (see below), whose sum is σ = 322376704. Its totient is φ = 302228100.

The previous prime is 312302387. The next prime is 312302503. The reversal of 312302401 is 104203213.

It is a happy number.

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 cyclic number.

It is not a de Polignac number, because 312302401 - 2⁵ = 312302369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312302701) 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, 5037105 + ... + 5037166.

It is an arithmetic number, because the mean of its divisors is an integer number (80594176).

Almost surely, 2^312302401 is an apocalyptic number.

312302401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

312302401 is a deficient number, since it is larger than the sum of its proper divisors (10074303).

312302401 is a wasteful number, since it uses less digits than its factorization.

312302401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10074302.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 312302401 is about 17672.0797021743. The cubic root of 312302401 is about 678.4613430027.

Adding to 312302401 its reverse (104203213), we get a palindrome (416505614).

The spelling of 312302401 in words is "three hundred twelve million, three hundred two thousand, four hundred one".