1312223031322 has 16 divisors (see below), whose sum is σ = 2278000200960. Its totient is φ = 555262548048.

The previous prime is 1312223031257. The next prime is 1312223031389. The reversal of 1312223031322 is 2231303222131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593228113 + ... + 593230324.

It is an arithmetic number, because the mean of its divisors is an integer number (142375012560).

Almost surely, 2^{1312223031322} is an apocalyptic number.

1312223031322 is a deficient number, since it is larger than the sum of its proper divisors (965777169638).

1312223031322 is a wasteful number, since it uses less digits than its factorization.

1312223031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186458525.

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

Adding to 1312223031322 its reverse (2231303222131), we get a palindrome (3543526253453).

The spelling of 1312223031322 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, thirty-one thousand, three hundred twenty-two".