1311133322 has 16 divisors (see below), whose sum is σ = 1980549792. Its totient is φ = 650964720.

The previous prime is 1311133319. The next prime is 1311133349. The reversal of 1311133322 is 2233311131.

It is a junction number, because it is equal to n+sod(n) for n = 1311133294 and 1311133303.

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, 193748 + ... + 200400.

It is an arithmetic number, because the mean of its divisors is an integer number (123784362).

Almost surely, 2^1311133322 is an apocalyptic number.

1311133322 is a deficient number, since it is larger than the sum of its proper divisors (669416470).

1311133322 is a wasteful number, since it uses less digits than its factorization.

1311133322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333.

The product of its digits is 324, while the sum is 20.

The square root of 1311133322 is about 36209.5750044101. The cubic root of 1311133322 is about 1094.4996280737.

Adding to 1311133322 its reverse (2233311131), we get a palindrome (3544444453).

The spelling of 1311133322 in words is "one billion, three hundred eleven million, one hundred thirty-three thousand, three hundred twenty-two".