1231131300022 has 16 divisors (see below), whose sum is σ = 1989247048992. Its totient is φ = 568072592640.

The previous prime is 1231131300011. The next prime is 1231131300031. The reversal of 1231131300022 is 2200031311321.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5804379 + ... + 6012742.

It is an arithmetic number, because the mean of its divisors is an integer number (124327940562).

Almost surely, 2^{1231131300022} is an apocalyptic number.

1231131300022 is a deficient number, since it is larger than the sum of its proper divisors (758115748970).

1231131300022 is a wasteful number, since it uses less digits than its factorization.

1231131300022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11821143.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1231131300022 its reverse (2200031311321), we get a palindrome (3431162611343).

The spelling of 1231131300022 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-one million, three hundred thousand, twenty-two".