1201311113303 has 8 divisors (see below), whose sum is σ = 1378396817280. Its totient is φ = 1025592867000.

The previous prime is 1201311113291. The next prime is 1201311113309. The reversal of 1201311113303 is 3033111131021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201311113303 - 2⁶ = 1201311113239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201311113309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341862533 + ... + 341866046.

It is an arithmetic number, because the mean of its divisors is an integer number (172299602160).

Almost surely, 2^{1201311113303} is an apocalyptic number.

1201311113303 is a deficient number, since it is larger than the sum of its proper divisors (177085703977).

1201311113303 is an equidigital number, since it uses as much as digits as its factorization.

1201311113303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683728837.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1201311113303 its reverse (3033111131021), we get a palindrome (4234422244324).

The spelling of 1201311113303 in words is "one trillion, two hundred one billion, three hundred eleven million, one hundred thirteen thousand, three hundred three".