1312331331022 has 16 divisors (see below), whose sum is σ = 2036673194400. Its totient is φ = 633446866080.

The previous prime is 1312331330953. The next prime is 1312331331023. The reversal of 1312331331022 is 2201331332131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312331331023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247997 + ... + 2045032.

It is an arithmetic number, because the mean of its divisors is an integer number (127292074650).

Almost surely, 2^{1312331331022} is an apocalyptic number.

1312331331022 is a deficient number, since it is larger than the sum of its proper divisors (724341863378).

1312331331022 is a wasteful number, since it uses less digits than its factorization.

1312331331022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299931.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1312331331022 its reverse (2201331332131), we get a palindrome (3513662663153).

The spelling of 1312331331022 in words is "one trillion, three hundred twelve billion, three hundred thirty-one million, three hundred thirty-one thousand, twenty-two".