15748328231 has 2 divisors, whose sum is σ = 15748328232. Its totient is φ = 15748328230.

The previous prime is 15748328207. The next prime is 15748328327. The reversal of 15748328231 is 13282384751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15748328231 - 2²² = 15744133927 is a prime.

It is a super-2 number, since 2×15748328231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15748328831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7874164115 + 7874164116.

It is an arithmetic number, because the mean of its divisors is an integer number (7874164116).

Almost surely, 2^15748328231 is an apocalyptic number.

15748328231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15748328231 is an equidigital number, since it uses as much as digits as its factorization.

15748328231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The spelling of 15748328231 in words is "fifteen billion, seven hundred forty-eight million, three hundred twenty-eight thousand, two hundred thirty-one".