1231331323022 has 16 divisors (see below), whose sum is σ = 1945996016640. Its totient is φ = 582725606328.

The previous prime is 1231331322959. The next prime is 1231331323043. The reversal of 1231331323022 is 2203231331321.

It is a junction number, because it is equal to n+sod(n) for n = 1231331322982 and 1231331323000.

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, 14863688 + ... + 14946299.

It is an arithmetic number, because the mean of its divisors is an integer number (121624751040).

Almost surely, 2^{1231331323022} is an apocalyptic number.

1231331323022 is a deficient number, since it is larger than the sum of its proper divisors (714664693618).

1231331323022 is a wasteful number, since it uses less digits than its factorization.

1231331323022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29811095.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1231331323022 its reverse (2203231331321), we get a palindrome (3434562654343).

The spelling of 1231331323022 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-one million, three hundred twenty-three thousand, twenty-two".