11013334431 has 16 divisors (see below), whose sum is σ = 16174928640. Its totient is φ = 6609942720.

The previous prime is 11013334429. The next prime is 11013334471. The reversal of 11013334431 is 13443331011.

It is not a de Polignac number, because 11013334431 - 2¹ = 11013334429 is a prime.

It is a super-2 number, since 2×11013334431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013334471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616686 + ... + 1623483.

It is an arithmetic number, because the mean of its divisors is an integer number (1010933040).

Almost surely, 2^11013334431 is an apocalyptic number.

11013334431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11013334431 is a deficient number, since it is larger than the sum of its proper divisors (5161594209).

11013334431 is a wasteful number, since it uses less digits than its factorization.

11013334431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240286.

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

Adding to 11013334431 its reverse (13443331011), we get a palindrome (24456665442).

The spelling of 11013334431 in words is "eleven billion, thirteen million, three hundred thirty-four thousand, four hundred thirty-one".