312946429 has 4 divisors (see below), whose sum is σ = 313037920. Its totient is φ = 312854940.

The previous prime is 312946427. The next prime is 312946451. The reversal of 312946429 is 924649213.

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 312946429 - 2¹ = 312946427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312946391 and 312946400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312946423) 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, 40407 + ... + 47524.

It is an arithmetic number, because the mean of its divisors is an integer number (78259480).

Almost surely, 2^312946429 is an apocalyptic number.

It is an amenable number.

312946429 is a deficient number, since it is larger than the sum of its proper divisors (91491).

312946429 is an equidigital number, since it uses as much as digits as its factorization.

312946429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91490.

The product of its digits is 93312, while the sum is 40.

The square root of 312946429 is about 17690.2919421925. The cubic root of 312946429 is about 678.9273956565.

The spelling of 312946429 in words is "three hundred twelve million, nine hundred forty-six thousand, four hundred twenty-nine".