231056005507 has 2 divisors, whose sum is σ = 231056005508. Its totient is φ = 231056005506.

The previous prime is 231056005487. The next prime is 231056005517. The reversal of 231056005507 is 705500650132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231056005507 - 2²⁷ = 230921787779 is a prime.

It is not a weakly prime, because it can be changed into another prime (231056005517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115528002753 + 115528002754.

It is an arithmetic number, because the mean of its divisors is an integer number (115528002754).

Almost surely, 2^231056005507 is an apocalyptic number.

231056005507 is a deficient number, since it is larger than the sum of its proper divisors (1).

231056005507 is an equidigital number, since it uses as much as digits as its factorization.

231056005507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 34.

Adding to 231056005507 its reverse (705500650132), we get a palindrome (936556655639).

The spelling of 231056005507 in words is "two hundred thirty-one billion, fifty-six million, five thousand, five hundred seven".