231002099227 has 2 divisors, whose sum is σ = 231002099228. Its totient is φ = 231002099226.

The previous prime is 231002099177. The next prime is 231002099267. The reversal of 231002099227 is 722990200132.

231002099227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231002099227 is a prime.

It is not a weakly prime, because it can be changed into another prime (231002099267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115501049613 + 115501049614.

It is an arithmetic number, because the mean of its divisors is an integer number (115501049614).

Almost surely, 2^231002099227 is an apocalyptic number.

231002099227 is a deficient number, since it is larger than the sum of its proper divisors (1).

231002099227 is an equidigital number, since it uses as much as digits as its factorization.

231002099227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

Adding to 231002099227 its reverse (722990200132), we get a palindrome (953992299359).

The spelling of 231002099227 in words is "two hundred thirty-one billion, two million, ninety-nine thousand, two hundred twenty-seven".