230031031231 has 2 divisors, whose sum is σ = 230031031232. Its totient is φ = 230031031230.

The previous prime is 230031031229. The next prime is 230031031303. The reversal of 230031031231 is 132130130032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230031031231 - 2¹ = 230031031229 is a prime.

It is a super-2 number, since 2×230031031231² (a number of 24 digits) contains 22 as substring.

Together with 230031031229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 230031031199 and 230031031208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230031031031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115015515615 + 115015515616.

It is an arithmetic number, because the mean of its divisors is an integer number (115015515616).

Almost surely, 2^230031031231 is an apocalyptic number.

230031031231 is a deficient number, since it is larger than the sum of its proper divisors (1).

230031031231 is an equidigital number, since it uses as much as digits as its factorization.

230031031231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 230031031231 its reverse (132130130032), we get a palindrome (362161161263).

The spelling of 230031031231 in words is "two hundred thirty billion, thirty-one million, thirty-one thousand, two hundred thirty-one".