1312002341 has 4 divisors (see below), whose sum is σ = 1412925612. Its totient is φ = 1211079072.

The previous prime is 1312002323. The next prime is 1312002343. The reversal of 1312002341 is 1432002131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137569441 + 1174432900 = 11729^2 + 34270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312002341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312002343) 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, 50461616 + ... + 50461641.

It is an arithmetic number, because the mean of its divisors is an integer number (353231403).

Almost surely, 2^1312002341 is an apocalyptic number.

It is an amenable number.

1312002341 is a deficient number, since it is larger than the sum of its proper divisors (100923271).

1312002341 is a wasteful number, since it uses less digits than its factorization.

1312002341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100923270.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1312002341 is about 36221.5728675606. The cubic root of 1312002341 is about 1094.7413860742.

Adding to 1312002341 its reverse (1432002131), we get a palindrome (2744004472).

The spelling of 1312002341 in words is "one billion, three hundred twelve million, two thousand, three hundred forty-one".