2310728081 has 2 divisors, whose sum is σ = 2310728082. Its totient is φ = 2310728080.

The previous prime is 2310728029. The next prime is 2310728087. The reversal of 2310728081 is 1808270132.

2310728081 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., 2292877456 + 17850625 = 47884^2 + 4225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2310728081 is a prime.

It is a super-2 number, since 2×2310728081² = 10678928528643885122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2310728087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155364040 + 1155364041.

It is an arithmetic number, because the mean of its divisors is an integer number (1155364041).

Almost surely, 2^2310728081 is an apocalyptic number.

It is an amenable number.

2310728081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2310728081 is an equidigital number, since it uses as much as digits as its factorization.

2310728081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2310728081 is about 48070.0330871532. The cubic root of 2310728081 is about 1322.0552771328.

The spelling of 2310728081 in words is "two billion, three hundred ten million, seven hundred twenty-eight thousand, eighty-one".