403130431213 has 2 divisors, whose sum is σ = 403130431214. Its totient is φ = 403130431212.

The previous prime is 403130431157. The next prime is 403130431241. The reversal of 403130431213 is 312134031304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266424242569 + 136706188644 = 516163^2 + 369738^2 .

It is a cyclic number.

It is not a de Polignac number, because 403130431213 - 2⁹ = 403130430701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403130431283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201565215606 + 201565215607.

It is an arithmetic number, because the mean of its divisors is an integer number (201565215607).

Almost surely, 2^403130431213 is an apocalyptic number.

It is an amenable number.

403130431213 is a deficient number, since it is larger than the sum of its proper divisors (1).

403130431213 is an equidigital number, since it uses as much as digits as its factorization.

403130431213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 403130431213 its reverse (312134031304), we get a palindrome (715264462517).

The spelling of 403130431213 in words is "four hundred three billion, one hundred thirty million, four hundred thirty-one thousand, two hundred thirteen".