231535045327 has 2 divisors, whose sum is σ = 231535045328. Its totient is φ = 231535045326.

The previous prime is 231535045303. The next prime is 231535045397. The reversal of 231535045327 is 723540535132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231535045327 - 2³¹ = 229387561679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231535045327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231535045397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115767522663 + 115767522664.

It is an arithmetic number, because the mean of its divisors is an integer number (115767522664).

Almost surely, 2^231535045327 is an apocalyptic number.

231535045327 is a deficient number, since it is larger than the sum of its proper divisors (1).

231535045327 is an equidigital number, since it uses as much as digits as its factorization.

231535045327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 231535045327 in words is "two hundred thirty-one billion, five hundred thirty-five million, forty-five thousand, three hundred twenty-seven".