1311234022 has 12 divisors (see below), whose sum is σ = 2287969740. Its totient is φ = 561957396.

The previous prime is 1311234017. The next prime is 1311234037. The reversal of 1311234022 is 2204321131.

It is a happy number.

It is a super-3 number, since 3×1311234022³ (a number of 28 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 6689872 + ... + 6690067.

It is an arithmetic number, because the mean of its divisors is an integer number (190664145).

Almost surely, 2^1311234022 is an apocalyptic number.

1311234022 is a deficient number, since it is larger than the sum of its proper divisors (976735718).

1311234022 is a wasteful number, since it uses less digits than its factorization.

1311234022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13379955 (or 13379948 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1311234022 is about 36210.9654938942. The cubic root of 1311234022 is about 1094.5276479272.

Adding to 1311234022 its reverse (2204321131), we get a palindrome (3515555153).

The spelling of 1311234022 in words is "one billion, three hundred eleven million, two hundred thirty-four thousand, twenty-two".