7912314331 has 4 divisors (see below), whose sum is σ = 8042024464. Its totient is φ = 7782604200.

The previous prime is 7912314323. The next prime is 7912314349. The reversal of 7912314331 is 1334132197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7912314331 - 2³ = 7912314323 is a prime.

It is a super-2 number, since 2×7912314331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7912311331) 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, 64854975 + ... + 64855096.

It is an arithmetic number, because the mean of its divisors is an integer number (2010506116).

Almost surely, 2^7912314331 is an apocalyptic number.

7912314331 is a deficient number, since it is larger than the sum of its proper divisors (129710133).

7912314331 is a wasteful number, since it uses less digits than its factorization.

7912314331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129710132.

The product of its digits is 13608, while the sum is 34.

The square root of 7912314331 is about 88951.1907227778. The cubic root of 7912314331 is about 1992.6660000119. Note that the first 3 decimals are identical.

The spelling of 7912314331 in words is "seven billion, nine hundred twelve million, three hundred fourteen thousand, three hundred thirty-one".