13231482787 has 2 divisors, whose sum is σ = 13231482788. Its totient is φ = 13231482786.

The previous prime is 13231482767. The next prime is 13231482793. The reversal of 13231482787 is 78728413231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13231482787 is a prime.

It is not a weakly prime, because it can be changed into another prime (13231482767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615741393 + 6615741394.

It is an arithmetic number, because the mean of its divisors is an integer number (6615741394).

Almost surely, 2^13231482787 is an apocalyptic number.

13231482787 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231482787 is an equidigital number, since it uses as much as digits as its factorization.

13231482787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 46.

The spelling of 13231482787 in words is "thirteen billion, two hundred thirty-one million, four hundred eighty-two thousand, seven hundred eighty-seven".