13425420331 has 2 divisors, whose sum is σ = 13425420332. Its totient is φ = 13425420330.

The previous prime is 13425420299. The next prime is 13425420347. The reversal of 13425420331 is 13302452431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13425420331 - 2⁵ = 13425420299 is a prime.

It is a super-2 number, since 2×13425420331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13425420331.

It is not a weakly prime, because it can be changed into another prime (13425420031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712710165 + 6712710166.

It is an arithmetic number, because the mean of its divisors is an integer number (6712710166).

Almost surely, 2^13425420331 is an apocalyptic number.

13425420331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425420331 is an equidigital number, since it uses as much as digits as its factorization.

13425420331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13425420331 its reverse (13302452431), we get a palindrome (26727872762).

The spelling of 13425420331 in words is "thirteen billion, four hundred twenty-five million, four hundred twenty thousand, three hundred thirty-one".