403203342313 has 2 divisors, whose sum is σ = 403203342314. Its totient is φ = 403203342312.

The previous prime is 403203342307. The next prime is 403203342329. The reversal of 403203342313 is 313243302304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338162021289 + 65041321024 = 581517^2 + 255032^2 .

It is a cyclic number.

It is not a de Polignac number, because 403203342313 - 2⁵ = 403203342281 is a prime.

It is not a weakly prime, because it can be changed into another prime (403203342343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201601671156 + 201601671157.

It is an arithmetic number, because the mean of its divisors is an integer number (201601671157).

Almost surely, 2^403203342313 is an apocalyptic number.

It is an amenable number.

403203342313 is a deficient number, since it is larger than the sum of its proper divisors (1).

403203342313 is an equidigital number, since it uses as much as digits as its factorization.

403203342313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 403203342313 its reverse (313243302304), we get a palindrome (716446644617).

The spelling of 403203342313 in words is "four hundred three billion, two hundred three million, three hundred forty-two thousand, three hundred thirteen".