11420324313 has 4 divisors (see below), whose sum is σ = 15227099088. Its totient is φ = 7613549540.

The previous prime is 11420324309. The next prime is 11420324341. The reversal of 11420324313 is 31342302411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11420324313 - 2² = 11420324309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11420324303) 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, 1903387383 + ... + 1903387388.

It is an arithmetic number, because the mean of its divisors is an integer number (3806774772).

Almost surely, 2^11420324313 is an apocalyptic number.

It is an amenable number.

11420324313 is a deficient number, since it is larger than the sum of its proper divisors (3806774775).

11420324313 is an equidigital number, since it uses as much as digits as its factorization.

11420324313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806774774.

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

Adding to 11420324313 its reverse (31342302411), we get a palindrome (42762626724).

The spelling of 11420324313 in words is "eleven billion, four hundred twenty million, three hundred twenty-four thousand, three hundred thirteen".