15671492231 has 2 divisors, whose sum is σ = 15671492232. Its totient is φ = 15671492230.

The previous prime is 15671492171. The next prime is 15671492237. The reversal of 15671492231 is 13229417651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15671492231 - 2¹⁰ = 15671491207 is a prime.

It is a super-2 number, since 2×15671492231² (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 (15671492237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7835746115 + 7835746116.

It is an arithmetic number, because the mean of its divisors is an integer number (7835746116).

Almost surely, 2^15671492231 is an apocalyptic number.

15671492231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15671492231 is an equidigital number, since it uses as much as digits as its factorization.

15671492231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The spelling of 15671492231 in words is "fifteen billion, six hundred seventy-one million, four hundred ninety-two thousand, two hundred thirty-one".