1131222030131 has 2 divisors, whose sum is σ = 1131222030132. Its totient is φ = 1131222030130.

The previous prime is 1131222030109. The next prime is 1131222030149. The reversal of 1131222030131 is 1310302221311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131222030131 is a prime.

It is a super-2 number, since 2×1131222030131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1131222030181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565611015065 + 565611015066.

It is an arithmetic number, because the mean of its divisors is an integer number (565611015066).

Almost surely, 2^{1131222030131} is an apocalyptic number.

1131222030131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131222030131 is an equidigital number, since it uses as much as digits as its factorization.

1131222030131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1131222030131 its reverse (1310302221311), we get a palindrome (2441524251442).

The spelling of 1131222030131 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-two million, thirty thousand, one hundred thirty-one".