1312002342203 has 16 divisors (see below), whose sum is σ = 1509589094400. Its totient is φ = 1116955998816.

The previous prime is 1312002342199. The next prime is 1312002342241. The reversal of 1312002342203 is 3022432002131.

It is not a de Polignac number, because 1312002342203 - 2² = 1312002342199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312002542203) 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, 23175350 + ... + 23231892.

It is an arithmetic number, because the mean of its divisors is an integer number (94349318400).

Almost surely, 2^{1312002342203} is an apocalyptic number.

1312002342203 is a deficient number, since it is larger than the sum of its proper divisors (197586752197).

1312002342203 is a wasteful number, since it uses less digits than its factorization.

1312002342203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78946.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1312002342203 its reverse (3022432002131), we get a palindrome (4334434344334).

The spelling of 1312002342203 in words is "one trillion, three hundred twelve billion, two million, three hundred forty-two thousand, two hundred three".