1311322096 has 20 divisors (see below), whose sum is σ = 2903642032. Its totient is φ = 561995136.

The previous prime is 1311322091. The next prime is 1311322099. The reversal of 1311322096 is 6902231131.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311322091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5854005 + ... + 5854228.

Almost surely, 2^1311322096 is an apocalyptic number.

1311322096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1311322096 is an abundant number, since it is smaller than the sum of its proper divisors (1592319936).

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

1311322096 is a wasteful number, since it uses less digits than its factorization.

1311322096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11708248 (or 11708242 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1311322096 is about 36212.1815968052. The cubic root of 1311322096 is about 1094.5521534104.

The spelling of 1311322096 in words is "one billion, three hundred eleven million, three hundred twenty-two thousand, ninety-six".