7164157331 has 2 divisors, whose sum is σ = 7164157332. Its totient is φ = 7164157330.

The previous prime is 7164157283. The next prime is 7164157349. The reversal of 7164157331 is 1337514617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7164157331 - 2⁶ = 7164157267 is a prime.

It is a super-2 number, since 2×7164157331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7164157831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3582078665 + 3582078666.

It is an arithmetic number, because the mean of its divisors is an integer number (3582078666).

Almost surely, 2^7164157331 is an apocalyptic number.

7164157331 is a deficient number, since it is larger than the sum of its proper divisors (1).

7164157331 is an equidigital number, since it uses as much as digits as its factorization.

7164157331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 7164157331 is about 84641.3452811331. The cubic root of 7164157331 is about 1927.7692044048.

The spelling of 7164157331 in words is "seven billion, one hundred sixty-four million, one hundred fifty-seven thousand, three hundred thirty-one".