1311442022 has 8 divisors (see below), whose sum is σ = 2145996072. Its totient is φ = 596110000.

The previous prime is 1311442021. The next prime is 1311442049. The reversal of 1311442022 is 2202441131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1311441985 and 1311442003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311442021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29805479 + ... + 29805522.

It is an arithmetic number, because the mean of its divisors is an integer number (268249509).

Almost surely, 2^1311442022 is an apocalyptic number.

1311442022 is a deficient number, since it is larger than the sum of its proper divisors (834554050).

1311442022 is a wasteful number, since it uses less digits than its factorization.

1311442022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59611014.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1311442022 is about 36213.8374381948. The cubic root of 1311442022 is about 1094.5855195479.

Adding to 1311442022 its reverse (2202441131), we get a palindrome (3513883153).

The spelling of 1311442022 in words is "one billion, three hundred eleven million, four hundred forty-two thousand, twenty-two".