15040690031 has 2 divisors, whose sum is σ = 15040690032. Its totient is φ = 15040690030.

The previous prime is 15040690003. The next prime is 15040690033. The reversal of 15040690031 is 13009604051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15040690031 - 2⁶ = 15040689967 is a prime.

It is a super-2 number, since 2×15040690031² (a number of 21 digits) contains 22 as substring.

Together with 15040690033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15040689976 and 15040690003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15040690033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520345015 + 7520345016.

It is an arithmetic number, because the mean of its divisors is an integer number (7520345016).

Almost surely, 2^15040690031 is an apocalyptic number.

15040690031 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040690031 is an equidigital number, since it uses as much as digits as its factorization.

15040690031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 15040690031 in words is "fifteen billion, forty million, six hundred ninety thousand, thirty-one".