1312331223022 has 8 divisors (see below), whose sum is σ = 1968592486896. Its totient is φ = 656133727392.

The previous prime is 1312331222989. The next prime is 1312331223023. The reversal of 1312331223022 is 2203221332131.

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

It is a super-3 number, since 3×1312331223022³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312331223023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15890578 + ... + 15972949.

It is an arithmetic number, because the mean of its divisors is an integer number (246074060862).

Almost surely, 2^{1312331223022} is an apocalyptic number.

1312331223022 is a deficient number, since it is larger than the sum of its proper divisors (656261263874).

1312331223022 is a wasteful number, since it uses less digits than its factorization.

1312331223022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31884122.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1312331223022 its reverse (2203221332131), we get a palindrome (3515552555153).

The spelling of 1312331223022 in words is "one trillion, three hundred twelve billion, three hundred thirty-one million, two hundred twenty-three thousand, twenty-two".