1312143413 has 16 divisors (see below), whose sum is σ = 1536393600. Its totient is φ = 1120140000.

The previous prime is 1312143383. The next prime is 1312143433. The reversal of 1312143413 is 3143412131.

It is not a de Polignac number, because 1312143413 - 2¹⁰ = 1312142389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312143433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78473 + ... + 93713.

It is an arithmetic number, because the mean of its divisors is an integer number (96024600).

Almost surely, 2^1312143413 is an apocalyptic number.

It is an amenable number.

1312143413 is a deficient number, since it is larger than the sum of its proper divisors (224250187).

1312143413 is an equidigital number, since it uses as much as digits as its factorization.

1312143413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15513 (or 15499 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1312143413 is about 36223.5201630101. The cubic root of 1312143413 is about 1094.7806217313.

Adding to 1312143413 its reverse (3143412131), we get a palindrome (4455555544).

The spelling of 1312143413 in words is "one billion, three hundred twelve million, one hundred forty-three thousand, four hundred thirteen".