1131223013071 has 2 divisors, whose sum is σ = 1131223013072. Its totient is φ = 1131223013070.

The previous prime is 1131223013051. The next prime is 1131223013087. The reversal of 1131223013071 is 1703103221311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131223013071 - 2³⁷ = 993784059599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131223013021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565611506535 + 565611506536.

It is an arithmetic number, because the mean of its divisors is an integer number (565611506536).

Almost surely, 2^{1131223013071} is an apocalyptic number.

1131223013071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131223013071 is an equidigital number, since it uses as much as digits as its factorization.

1131223013071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 1131223013071 its reverse (1703103221311), we get a palindrome (2834326234382).

The spelling of 1131223013071 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-three million, thirteen thousand, seventy-one".