11430304391 has 4 divisors (see below), whose sum is σ = 12469422984. Its totient is φ = 10391185800.

The previous prime is 11430304349. The next prime is 11430304493. The reversal of 11430304391 is 19340303411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11430304391 - 2¹⁴ = 11430288007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430304321) 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, 519559280 + ... + 519559301.

It is an arithmetic number, because the mean of its divisors is an integer number (3117355746).

Almost surely, 2^11430304391 is an apocalyptic number.

11430304391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11430304391 is a deficient number, since it is larger than the sum of its proper divisors (1039118593).

11430304391 is a wasteful number, since it uses less digits than its factorization.

11430304391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039118592.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 11430304391 in words is "eleven billion, four hundred thirty million, three hundred four thousand, three hundred ninety-one".