2163104731 has 2 divisors, whose sum is σ = 2163104732. Its totient is φ = 2163104730.

The previous prime is 2163104681. The next prime is 2163104771. The reversal of 2163104731 is 1374013612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2163104731 - 2⁹ = 2163104219 is a prime.

It is a super-2 number, since 2×2163104731² = 9358044154549164722, 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 2163104731.

It is not a weakly prime, because it can be changed into another prime (2163104771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081552365 + 1081552366.

It is an arithmetic number, because the mean of its divisors is an integer number (1081552366).

Almost surely, 2^2163104731 is an apocalyptic number.

2163104731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163104731 is an equidigital number, since it uses as much as digits as its factorization.

2163104731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2163104731 is about 46509.1897478337. The cubic root of 2163104731 is about 1293.2798638235.

The spelling of 2163104731 in words is "two billion, one hundred sixty-three million, one hundred four thousand, seven hundred thirty-one".