1312303103211 has 16 divisors (see below), whose sum is σ = 1751618019744. Its totient is φ = 873928725504.

The previous prime is 1312303103207. The next prime is 1312303103219. The reversal of 1312303103211 is 1123013032131.

It is a happy number.

It is not a de Polignac number, because 1312303103211 - 2² = 1312303103207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312303103219) 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, 22537311 + ... + 22595463.

It is an arithmetic number, because the mean of its divisors is an integer number (109476126234).

Almost surely, 2^{1312303103211} is an apocalyptic number.

1312303103211 is a deficient number, since it is larger than the sum of its proper divisors (439314916533).

1312303103211 is a wasteful number, since it uses less digits than its factorization.

1312303103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66110.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1312303103211 its reverse (1123013032131), we get a palindrome (2435316135342).

The spelling of 1312303103211 in words is "one trillion, three hundred twelve billion, three hundred three million, one hundred three thousand, two hundred eleven".