403046431 has 2 divisors, whose sum is σ = 403046432. Its totient is φ = 403046430.

The previous prime is 403046419. The next prime is 403046447. The reversal of 403046431 is 134640304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403046431 - 2¹³ = 403038239 is a prime.

It is a super-2 number, since 2×403046431² = 324892851083675522, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 403046396 and 403046405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403046461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201523215 + 201523216.

It is an arithmetic number, because the mean of its divisors is an integer number (201523216).

Almost surely, 2^403046431 is an apocalyptic number.

403046431 is a deficient number, since it is larger than the sum of its proper divisors (1).

403046431 is an equidigital number, since it uses as much as digits as its factorization.

403046431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 403046431 is about 20076.0163130039. The cubic root of 403046431 is about 738.6720956593.

Adding to 403046431 its reverse (134640304), we get a palindrome (537686735).

The spelling of 403046431 in words is "four hundred three million, forty-six thousand, four hundred thirty-one".