25431022394231 has 2 divisors, whose sum is σ = 25431022394232. Its totient is φ = 25431022394230.

The previous prime is 25431022394191. The next prime is 25431022394237. The reversal of 25431022394231 is 13249322013452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25431022394231 - 2²⁶ = 25430955285367 is a prime.

It is a super-3 number, since 3×25431022394231³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25431022394237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12715511197115 + 12715511197116.

It is an arithmetic number, because the mean of its divisors is an integer number (12715511197116).

Almost surely, 2^{25431022394231} is an apocalyptic number.

25431022394231 is a deficient number, since it is larger than the sum of its proper divisors (1).

25431022394231 is an equidigital number, since it uses as much as digits as its factorization.

25431022394231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 25431022394231 in words is "twenty-five trillion, four hundred thirty-one billion, twenty-two million, three hundred ninety-four thousand, two hundred thirty-one".