1312101333203 has 4 divisors (see below), whose sum is σ = 1312133670120. Its totient is φ = 1312068996288.

The previous prime is 1312101333197. The next prime is 1312101333359. The reversal of 1312101333203 is 3023331012131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312101333203 - 2²⁴ = 1312084555987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312101333703) 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, 16107518 + ... + 16188771.

It is an arithmetic number, because the mean of its divisors is an integer number (328033417530).

Almost surely, 2^{1312101333203} is an apocalyptic number.

1312101333203 is a deficient number, since it is larger than the sum of its proper divisors (32336917).

1312101333203 is an equidigital number, since it uses as much as digits as its factorization.

1312101333203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32336916.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1312101333203 its reverse (3023331012131), we get a palindrome (4335432345334).

The spelling of 1312101333203 in words is "one trillion, three hundred twelve billion, one hundred one million, three hundred thirty-three thousand, two hundred three".