403234031 has 2 divisors, whose sum is σ = 403234032. Its totient is φ = 403234030.

The previous prime is 403234021. The next prime is 403234037. The reversal of 403234031 is 130432304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 403234031 - 2²² = 399039727 is a prime.

It is a super-2 number, since 2×403234031² = 325195367513017922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403233994 and 403234012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403234037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201617015 + 201617016.

It is an arithmetic number, because the mean of its divisors is an integer number (201617016).

Almost surely, 2^403234031 is an apocalyptic number.

403234031 is a deficient number, since it is larger than the sum of its proper divisors (1).

403234031 is an equidigital number, since it uses as much as digits as its factorization.

403234031 is an odious number, because the sum of its binary digits is odd.

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

The square root of 403234031 is about 20080.6880111215. The cubic root of 403234031 is about 738.7866841036.

Adding to 403234031 its reverse (130432304), we get a palindrome (533666335).

The spelling of 403234031 in words is "four hundred three million, two hundred thirty-four thousand, thirty-one".