2315166481 has 2 divisors, whose sum is σ = 2315166482. Its totient is φ = 2315166480.

The previous prime is 2315166461. The next prime is 2315166493. The reversal of 2315166481 is 1846615132.

It is a happy number.

2315166481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1616040000 + 699126481 = 40200^2 + 26441^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315166481 - 2⁵ = 2315166449 is a prime.

It is a super-2 number, since 2×2315166481² = 10719991669491846722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2315166481.

It is not a weakly prime, because it can be changed into another prime (2315166401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157583240 + 1157583241.

It is an arithmetic number, because the mean of its divisors is an integer number (1157583241).

Almost surely, 2^2315166481 is an apocalyptic number.

It is an amenable number.

2315166481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315166481 is an equidigital number, since it uses as much as digits as its factorization.

2315166481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 2315166481 is about 48116.1769158773. The cubic root of 2315166481 is about 1322.9011948142.

The spelling of 2315166481 in words is "two billion, three hundred fifteen million, one hundred sixty-six thousand, four hundred eighty-one".