1403235313 has 4 divisors (see below), whose sum is σ = 1464245568. Its totient is φ = 1342225060.

The previous prime is 1403235269. The next prime is 1403235331. The reversal of 1403235313 is 3135323041.

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 an emirpimes, since its reverse is a distinct semiprime: 3135323041 = 127 ⋅24687583.

It is a cyclic number.

It is not a de Polignac number, because 1403235313 - 2²⁵ = 1369680881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403235413) 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, 30505093 + ... + 30505138.

It is an arithmetic number, because the mean of its divisors is an integer number (366061392).

Almost surely, 2^1403235313 is an apocalyptic number.

It is an amenable number.

1403235313 is a deficient number, since it is larger than the sum of its proper divisors (61010255).

1403235313 is an equidigital number, since it uses as much as digits as its factorization.

1403235313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61010254.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1403235313 is about 37459.7826074845. The cubic root of 1403235313 is about 1119.5500193318.

Adding to 1403235313 its reverse (3135323041), we get a palindrome (4538558354).

The spelling of 1403235313 in words is "one billion, four hundred three million, two hundred thirty-five thousand, three hundred thirteen".