23203303031 has 2 divisors, whose sum is σ = 23203303032. Its totient is φ = 23203303030.

The previous prime is 23203303027. The next prime is 23203303033. The reversal of 23203303031 is 13030330232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23203303031 - 2² = 23203303027 is a prime.

It is a super-2 number, since 2×23203303031² (a number of 22 digits) contains 22 as substring.

Together with 23203303033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23203302994 and 23203303012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23203303033) 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, 11601651515 + 11601651516.

It is an arithmetic number, because the mean of its divisors is an integer number (11601651516).

Almost surely, 2^23203303031 is an apocalyptic number.

23203303031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203303031 is an equidigital number, since it uses as much as digits as its factorization.

23203303031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 23203303031 its reverse (13030330232), we get a palindrome (36233633263).

The spelling of 23203303031 in words is "twenty-three billion, two hundred three million, three hundred three thousand, thirty-one".