1131320311201 has 2 divisors, whose sum is σ = 1131320311202. Its totient is φ = 1131320311200.

The previous prime is 1131320311189. The next prime is 1131320311241. The reversal of 1131320311201 is 1021130231311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1093647442176 + 37672869025 = 1045776^2 + 194095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131320311201 - 2¹⁹ = 1131319786913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131320311241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565660155600 + 565660155601.

It is an arithmetic number, because the mean of its divisors is an integer number (565660155601).

Almost surely, 2^{1131320311201} is an apocalyptic number.

It is an amenable number.

1131320311201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131320311201 is an equidigital number, since it uses as much as digits as its factorization.

1131320311201 is an evil number, because the sum of its binary digits is even.

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

Adding to 1131320311201 its reverse (1021130231311), we get a palindrome (2152450542512).

The spelling of 1131320311201 in words is "one trillion, one hundred thirty-one billion, three hundred twenty million, three hundred eleven thousand, two hundred one".