403352421540313 has 4 divisors (see below), whose sum is σ = 460974196046080. Its totient is φ = 345730647034548.

The previous prime is 403352421540307. The next prime is 403352421540329. The reversal of 403352421540313 is 313045124253304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 403352421540313 - 2¹³ = 403352421532121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403352421540113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28810887252873 + ... + 28810887252886.

It is an arithmetic number, because the mean of its divisors is an integer number (115243549011520).

Almost surely, 2^{403352421540313} is an apocalyptic number.

It is an amenable number.

403352421540313 is a deficient number, since it is larger than the sum of its proper divisors (57621774505767).

403352421540313 is an equidigital number, since it uses as much as digits as its factorization.

403352421540313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57621774505766.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 403352421540313 its reverse (313045124253304), we get a palindrome (716397545793617).

The spelling of 403352421540313 in words is "four hundred three trillion, three hundred fifty-two billion, four hundred twenty-one million, five hundred forty thousand, three hundred thirteen".