11014431231 has 4 divisors (see below), whose sum is σ = 14685908312. Its totient is φ = 7342954152.

The previous prime is 11014431149. The next prime is 11014431283. The reversal of 11014431231 is 13213441011.

11014431231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11014431231 - 2¹⁵ = 11014398463 is a prime.

It is a super-2 number, since 2×11014431231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11014431198 and 11014431207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11014431731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835738536 + ... + 1835738541.

It is an arithmetic number, because the mean of its divisors is an integer number (3671477078).

Almost surely, 2^11014431231 is an apocalyptic number.

11014431231 is a deficient number, since it is larger than the sum of its proper divisors (3671477081).

11014431231 is an equidigital number, since it uses as much as digits as its factorization.

11014431231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671477080.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11014431231 its reverse (13213441011), we get a palindrome (24227872242).

The spelling of 11014431231 in words is "eleven billion, fourteen million, four hundred thirty-one thousand, two hundred thirty-one".