11312311304 has 24 divisors (see below), whose sum is σ = 24673536990. Its totient is φ = 4848133248.

The previous prime is 11312311279. The next prime is 11312311327. The reversal of 11312311304 is 40311321311.

It can be written as a sum of positive squares in only one way, i.e., 11151782404 + 160528900 = 105602^2 + 12670^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14428577 + ... + 14429360.

Almost surely, 2^11312311304 is an apocalyptic number.

11312311304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11312311304 is an abundant number, since it is smaller than the sum of its proper divisors (13361225686).

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

11312311304 is a wasteful number, since it uses less digits than its factorization.

11312311304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28857957 (or 28857946 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11312311304 its reverse (40311321311), we get a palindrome (51623632615).

The spelling of 11312311304 in words is "eleven billion, three hundred twelve million, three hundred eleven thousand, three hundred four".