1303231201213 has 4 divisors (see below), whose sum is σ = 1304109983008. Its totient is φ = 1302352419420.

The previous prime is 1303231201199. The next prime is 1303231201247. The reversal of 1303231201213 is 3121021323031.

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 1303231201213 - 2³³ = 1294641266621 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 (1303231201513) 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, 439388673 + ... + 439391638.

It is an arithmetic number, because the mean of its divisors is an integer number (326027495752).

Almost surely, 2^{1303231201213} is an apocalyptic number.

It is an amenable number.

1303231201213 is a deficient number, since it is larger than the sum of its proper divisors (878781795).

1303231201213 is an equidigital number, since it uses as much as digits as its factorization.

1303231201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878781794.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1303231201213 its reverse (3121021323031), we get a palindrome (4424252524244).

The spelling of 1303231201213 in words is "one trillion, three hundred three billion, two hundred thirty-one million, two hundred one thousand, two hundred thirteen".