1303112311201 has 4 divisors (see below), whose sum is σ = 1303419435952. Its totient is φ = 1302805186452.

The previous prime is 1303112311187. The next prime is 1303112311289. The reversal of 1303112311201 is 1021132113031.

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 1303112311201 - 2²⁹ = 1302575440289 is a prime.

It is a super-2 number, since 2×1303112311201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303112311801) 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, 153556011 + ... + 153564496.

It is an arithmetic number, because the mean of its divisors is an integer number (325854858988).

Almost surely, 2^{1303112311201} is an apocalyptic number.

It is an amenable number.

1303112311201 is a deficient number, since it is larger than the sum of its proper divisors (307124751).

1303112311201 is an equidigital number, since it uses as much as digits as its factorization.

1303112311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307124750.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1303112311201 its reverse (1021132113031), we get a palindrome (2324244424232).

The spelling of 1303112311201 in words is "one trillion, three hundred three billion, one hundred twelve million, three hundred eleven thousand, two hundred one".