16232708731 has 2 divisors, whose sum is σ = 16232708732. Its totient is φ = 16232708730.

The previous prime is 16232708699. The next prime is 16232708741. The reversal of 16232708731 is 13780723261.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16232708731 - 2⁵ = 16232708699 is a prime.

It is a super-2 number, since 2×16232708731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16232708741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8116354365 + 8116354366.

It is an arithmetic number, because the mean of its divisors is an integer number (8116354366).

Almost surely, 2^16232708731 is an apocalyptic number.

16232708731 is a deficient number, since it is larger than the sum of its proper divisors (1).

16232708731 is an equidigital number, since it uses as much as digits as its factorization.

16232708731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 16232708731 in words is "sixteen billion, two hundred thirty-two million, seven hundred eight thousand, seven hundred thirty-one".