233055231491 has 2 divisors, whose sum is σ = 233055231492. Its totient is φ = 233055231490.

The previous prime is 233055231449. The next prime is 233055231527. The reversal of 233055231491 is 194132550332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233055231491 is a prime.

It is not a weakly prime, because it can be changed into another prime (233055431491) 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, 116527615745 + 116527615746.

It is an arithmetic number, because the mean of its divisors is an integer number (116527615746).

Almost surely, 2^233055231491 is an apocalyptic number.

233055231491 is a deficient number, since it is larger than the sum of its proper divisors (1).

233055231491 is an equidigital number, since it uses as much as digits as its factorization.

233055231491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 233055231491 in words is "two hundred thirty-three billion, fifty-five million, two hundred thirty-one thousand, four hundred ninety-one".