315366947 has 12 divisors (see below), whose sum is σ = 370434960. Its totient is φ = 263000736.

The previous prime is 315366943. The next prime is 315366971. The reversal of 315366947 is 749663513.

It is a happy number.

It is not a de Polignac number, because 315366947 - 2² = 315366943 is a prime.

It is a super-2 number, since 2×315366947² = 198912622520201618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315366898 and 315366907.

It is not an unprimeable number, because it can be changed into a prime (315366941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6872 + ... + 26037.

It is an arithmetic number, because the mean of its divisors is an integer number (30869580).

Almost surely, 2^315366947 is an apocalyptic number.

315366947 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

315366947 is a deficient number, since it is larger than the sum of its proper divisors (55068013).

315366947 is an equidigital number, since it uses as much as digits as its factorization.

315366947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32990 (or 32953 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 315366947 is about 17758.5739010766. The cubic root of 315366947 is about 680.6733144866.

It can be divided in two parts, 31536 and 6947, that added together give a palindrome (38483).

The spelling of 315366947 in words is "three hundred fifteen million, three hundred sixty-six thousand, nine hundred forty-seven".