16031495231 has 2 divisors, whose sum is σ = 16031495232. Its totient is φ = 16031495230.

The previous prime is 16031495177. The next prime is 16031495243. The reversal of 16031495231 is 13259413061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16031495231 - 2¹⁴ = 16031478847 is a prime.

It is a super-2 number, since 2×16031495231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16031495191 and 16031495200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16031495131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8015747615 + 8015747616.

It is an arithmetic number, because the mean of its divisors is an integer number (8015747616).

Almost surely, 2^16031495231 is an apocalyptic number.

16031495231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16031495231 is an equidigital number, since it uses as much as digits as its factorization.

16031495231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 16031495231 in words is "sixteen billion, thirty-one million, four hundred ninety-five thousand, two hundred thirty-one".