1311134022 has 48 divisors (see below), whose sum is σ = 3205921680. Its totient is φ = 383611200.

The previous prime is 1311134017. The next prime is 1311134047. The reversal of 1311134022 is 2204311131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1311133986 and 1311134004.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 108429 + ... + 119912.

It is an arithmetic number, because the mean of its divisors is an integer number (66790035).

Almost surely, 2^1311134022 is an apocalyptic number.

1311134022 is an abundant number, since it is smaller than the sum of its proper divisors (1894787658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311134022 is a wasteful number, since it uses less digits than its factorization.

1311134022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228389 (or 228386 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1311134022 is about 36209.5846703604. The cubic root of 1311134022 is about 1094.4998228542.

Adding to 1311134022 its reverse (2204311131), we get a palindrome (3515445153).

The spelling of 1311134022 in words is "one billion, three hundred eleven million, one hundred thirty-four thousand, twenty-two".