13531501327 has 2 divisors, whose sum is σ = 13531501328. Its totient is φ = 13531501326.

The previous prime is 13531501309. The next prime is 13531501331. The reversal of 13531501327 is 72310513531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13531501327 - 2⁷ = 13531501199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531501337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765750663 + 6765750664.

It is an arithmetic number, because the mean of its divisors is an integer number (6765750664).

Almost surely, 2^13531501327 is an apocalyptic number.

13531501327 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531501327 is an equidigital number, since it uses as much as digits as its factorization.

13531501327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 31.

The spelling of 13531501327 in words is "thirteen billion, five hundred thirty-one million, five hundred one thousand, three hundred twenty-seven".