230111890031 has 2 divisors, whose sum is σ = 230111890032. Its totient is φ = 230111890030.

The previous prime is 230111889989. The next prime is 230111890037. The reversal of 230111890031 is 130098111032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230111890031 - 2¹⁴ = 230111873647 is a prime.

It is a super-2 number, since 2×230111890031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230111889976 and 230111890003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230111890037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115055945015 + 115055945016.

It is an arithmetic number, because the mean of its divisors is an integer number (115055945016).

Almost surely, 2^230111890031 is an apocalyptic number.

230111890031 is a deficient number, since it is larger than the sum of its proper divisors (1).

230111890031 is an equidigital number, since it uses as much as digits as its factorization.

230111890031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 230111890031 in words is "two hundred thirty billion, one hundred eleven million, eight hundred ninety thousand, thirty-one".