7313911971 has 8 divisors (see below), whose sum is σ = 9768330000. Its totient is φ = 4867717632.

The previous prime is 7313911963. The next prime is 7313911973. The reversal of 7313911971 is 1791193137.

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

It is not a de Polignac number, because 7313911971 - 2³ = 7313911963 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7313911973) 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, 2053846 + ... + 2057403.

It is an arithmetic number, because the mean of its divisors is an integer number (1221041250).

Almost surely, 2^7313911971 is an apocalyptic number.

7313911971 is a deficient number, since it is larger than the sum of its proper divisors (2454418029).

7313911971 is a wasteful number, since it uses less digits than its factorization.

7313911971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111845.

The product of its digits is 35721, while the sum is 42.

The square root of 7313911971 is about 85521.4123538661. The cubic root of 7313911971 is about 1941.1089393587.

The spelling of 7313911971 in words is "seven billion, three hundred thirteen million, nine hundred eleven thousand, nine hundred seventy-one".