1264316331 has 16 divisors (see below), whose sum is σ = 1712855808. Its totient is φ = 829356000.

The previous prime is 1264316327. The next prime is 1264316357. The reversal of 1264316331 is 1336134621.

It is not a de Polignac number, because 1264316331 - 2² = 1264316327 is a prime.

It is a super-2 number, since 2×1264316331² = 3196991569666603122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1264316531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204181 + ... + 210281.

It is an arithmetic number, because the mean of its divisors is an integer number (107053488).

Almost surely, 2^1264316331 is an apocalyptic number.

1264316331 is a deficient number, since it is larger than the sum of its proper divisors (448539477).

1264316331 is a wasteful number, since it uses less digits than its factorization.

1264316331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202.

The product of its digits is 7776, while the sum is 30.

The square root of 1264316331 is about 35557.2261432188. The cubic root of 1264316331 is about 1081.3142240088.

The spelling of 1264316331 in words is "one billion, two hundred sixty-four million, three hundred sixteen thousand, three hundred thirty-one".