1131321321371 has 2 divisors, whose sum is σ = 1131321321372. Its totient is φ = 1131321321370.

The previous prime is 1131321321367. The next prime is 1131321321451. The reversal of 1131321321371 is 1731231231311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131321321371 - 2² = 1131321321367 is a prime.

It is a super-2 number, since 2×1131321321371² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1131321326371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565660660685 + 565660660686.

It is an arithmetic number, because the mean of its divisors is an integer number (565660660686).

Almost surely, 2^{1131321321371} is an apocalyptic number.

1131321321371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131321321371 is an equidigital number, since it uses as much as digits as its factorization.

1131321321371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

Adding to 1131321321371 its reverse (1731231231311), we get a palindrome (2862552552682).

The spelling of 1131321321371 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-one million, three hundred twenty-one thousand, three hundred seventy-one".