1311334422 has 16 divisors (see below), whose sum is σ = 2623078512. Its totient is φ = 437043200.

The previous prime is 1311334417. The next prime is 1311334439. The reversal of 1311334422 is 2244331131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1311334392 and 1311334401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38422 + ... + 64022.

It is an arithmetic number, because the mean of its divisors is an integer number (163942407).

Almost surely, 2^1311334422 is an apocalyptic number.

1311334422 is an abundant number, since it is smaller than the sum of its proper divisors (1311744090).

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

1311334422 is a wasteful number, since it uses less digits than its factorization.

1311334422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34143.

The product of its digits is 1728, while the sum is 24.

The square root of 1311334422 is about 36212.3517877533. The cubic root of 1311334422 is about 1094.5555828774. Note that the first 4 decimals are identical.

Adding to 1311334422 its reverse (2244331131), we get a palindrome (3555665553).

The spelling of 1311334422 in words is "one billion, three hundred eleven million, three hundred thirty-four thousand, four hundred twenty-two".