11320322312 has 32 divisors (see below), whose sum is σ = 23068075800. Its totient is φ = 5176825344.

The previous prime is 11320322249. The next prime is 11320322317. The reversal of 11320322312 is 21322302311.

It can be written as a sum of positive squares in 4 ways, for example, as 9687677476 + 1632644836 = 98426^2 + 40406^2 .

It is not an unprimeable number, because it can be changed into a prime (11320322317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487973 + ... + 510644.

Almost surely, 2^11320322312 is an apocalyptic number.

It is an amenable number.

11320322312 is an abundant number, since it is smaller than the sum of its proper divisors (11747753488).

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

11320322312 is a wasteful number, since it uses less digits than its factorization.

11320322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998745 (or 998741 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11320322312 its reverse (21322302311), we get a palindrome (32642624623).

The spelling of 11320322312 in words is "eleven billion, three hundred twenty million, three hundred twenty-two thousand, three hundred twelve".