1131013231322 has 8 divisors (see below), whose sum is σ = 1827021373716. Its totient is φ = 522006106752.

The previous prime is 1131013231321. The next prime is 1131013231331. The reversal of 1131013231322 is 2231323101311.

It can be written as a sum of positive squares in 2 ways, for example, as 1130842954921 + 170276401 = 1063411^2 + 13049^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1131013231321) 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 in 3 ways as a sum of consecutive naturals, for example, 21750254423 + ... + 21750254474.

Almost surely, 2^{1131013231322} is an apocalyptic number.

1131013231322 is a deficient number, since it is larger than the sum of its proper divisors (696008142394).

1131013231322 is a wasteful number, since it uses less digits than its factorization.

1131013231322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43500508912.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1131013231322 its reverse (2231323101311), we get a palindrome (3362336332633).

The spelling of 1131013231322 in words is "one trillion, one hundred thirty-one billion, thirteen million, two hundred thirty-one thousand, three hundred twenty-two".