403230400031 has 2 divisors, whose sum is σ = 403230400032. Its totient is φ = 403230400030.

The previous prime is 403230399997. The next prime is 403230400033. The reversal of 403230400031 is 130004032304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 403230400031 - 2¹⁰ = 403230399007 is a prime.

It is a super-2 number, since 2×403230400031² (a number of 24 digits) contains 22 as substring.

Together with 403230400033, 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 = 403230399976 and 403230400012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403230400033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201615200015 + 201615200016.

It is an arithmetic number, because the mean of its divisors is an integer number (201615200016).

Almost surely, 2^403230400031 is an apocalyptic number.

403230400031 is a deficient number, since it is larger than the sum of its proper divisors (1).

403230400031 is an equidigital number, since it uses as much as digits as its factorization.

403230400031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 403230400031 its reverse (130004032304), we get a palindrome (533234432335).

The spelling of 403230400031 in words is "four hundred three billion, two hundred thirty million, four hundred thousand, thirty-one".