1312141013 has 4 divisors (see below), whose sum is σ = 1322472960. Its totient is φ = 1301809068.

The previous prime is 1312141003. The next prime is 1312141031. The reversal of 1312141013 is 3101412131.

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: 3101412131 = 71 ⋅43681861.

It is a cyclic number.

It is not a de Polignac number, because 1312141013 - 2¹⁶ = 1312075477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312140982 and 1312141000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312141003) 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, 5165783 + ... + 5166036.

It is an arithmetic number, because the mean of its divisors is an integer number (330618240).

Almost surely, 2^1312141013 is an apocalyptic number.

It is an amenable number.

1312141013 is a deficient number, since it is larger than the sum of its proper divisors (10331947).

1312141013 is a wasteful number, since it uses less digits than its factorization.

1312141013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10331946.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1312141013 is about 36223.4870353477. The cubic root of 1312141013 is about 1094.7799542546.

Adding to 1312141013 its reverse (3101412131), we get a palindrome (4413553144).

The spelling of 1312141013 in words is "one billion, three hundred twelve million, one hundred forty-one thousand, thirteen".