11334431013 has 4 divisors (see below), whose sum is σ = 15112574688. Its totient is φ = 7556287340.

The previous prime is 11334431011. The next prime is 11334431023. The reversal of 11334431013 is 31013443311.

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 11334431013 - 2¹ = 11334431011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11334431011) 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, 1889071833 + ... + 1889071838.

It is an arithmetic number, because the mean of its divisors is an integer number (3778143672).

Almost surely, 2^11334431013 is an apocalyptic number.

It is an amenable number.

11334431013 is a deficient number, since it is larger than the sum of its proper divisors (3778143675).

11334431013 is an equidigital number, since it uses as much as digits as its factorization.

11334431013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778143674.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11334431013 its reverse (31013443311), we get a palindrome (42347874324).

The spelling of 11334431013 in words is "eleven billion, three hundred thirty-four million, four hundred thirty-one thousand, thirteen".