1312410403 has 4 divisors (see below), whose sum is σ = 1314624168. Its totient is φ = 1310196640.

The previous prime is 1312410361. The next prime is 1312410409. The reversal of 1312410403 is 3040142131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312410403 - 2²⁹ = 775539491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312410409) 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, 1105993 + ... + 1107178.

It is an arithmetic number, because the mean of its divisors is an integer number (328656042).

Almost surely, 2^1312410403 is an apocalyptic number.

1312410403 is a deficient number, since it is larger than the sum of its proper divisors (2213765).

1312410403 is an equidigital number, since it uses as much as digits as its factorization.

1312410403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213764.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1312410403 is about 36227.2052882913. The cubic root of 1312410403 is about 1094.8548706415.

Adding to 1312410403 its reverse (3040142131), we get a palindrome (4352552534).

The spelling of 1312410403 in words is "one billion, three hundred twelve million, four hundred ten thousand, four hundred three".