403403113313 has 4 divisors (see below), whose sum is σ = 403404391680. Its totient is φ = 403401834948.

The previous prime is 403403113303. The next prime is 403403113363. The reversal of 403403113313 is 313311304304.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 403403113313 - 2⁴ = 403403113297 is a prime.

It is a super-2 number, since 2×403403113313² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403403113303) 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, 211928 + ... + 922886.

It is an arithmetic number, because the mean of its divisors is an integer number (100851097920).

Almost surely, 2^403403113313 is an apocalyptic number.

It is an amenable number.

403403113313 is a deficient number, since it is larger than the sum of its proper divisors (1278367).

403403113313 is an equidigital number, since it uses as much as digits as its factorization.

403403113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278366.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 403403113313 its reverse (313311304304), we get a palindrome (716714417617).

The spelling of 403403113313 in words is "four hundred three billion, four hundred three million, one hundred thirteen thousand, three hundred thirteen".