312295947 has 8 divisors (see below), whose sum is σ = 427648656. Its totient is φ = 202570272.

The previous prime is 312295889. The next prime is 312295961. The reversal of 312295947 is 749592213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312295947 - 2¹⁰ = 312294923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312295899 and 312295908.

It is not an unprimeable number, because it can be changed into a prime (312295547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406628 + ... + 1406849.

It is an arithmetic number, because the mean of its divisors is an integer number (53456082).

Almost surely, 2^312295947 is an apocalyptic number.

312295947 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

312295947 is a deficient number, since it is larger than the sum of its proper divisors (115352709).

312295947 is a wasteful number, since it uses less digits than its factorization.

312295947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813517.

The product of its digits is 136080, while the sum is 42.

The square root of 312295947 is about 17671.8970968032. The cubic root of 312295947 is about 678.4566693065.

The spelling of 312295947 in words is "three hundred twelve million, two hundred ninety-five thousand, nine hundred forty-seven".