1311430201213 has 4 divisors (see below), whose sum is σ = 1430651128608. Its totient is φ = 1192209273820.

The previous prime is 1311430201199. The next prime is 1311430201217. The reversal of 1311430201213 is 3121020341131.

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.

It is a cyclic number.

It is not a de Polignac number, because 1311430201213 - 2⁵ = 1311430201181 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 (1311430201217) 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, 59610463681 + ... + 59610463702.

It is an arithmetic number, because the mean of its divisors is an integer number (357662782152).

Almost surely, 2^{1311430201213} is an apocalyptic number.

It is an amenable number.

1311430201213 is a deficient number, since it is larger than the sum of its proper divisors (119220927395).

1311430201213 is a wasteful number, since it uses less digits than its factorization.

1311430201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119220927394.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1311430201213 its reverse (3121020341131), we get a palindrome (4432450542344).

The spelling of 1311430201213 in words is "one trillion, three hundred eleven billion, four hundred thirty million, two hundred one thousand, two hundred thirteen".