11140033431 has 8 divisors (see below), whose sum is σ = 15635134720. Its totient is φ = 7035810552.

The previous prime is 11140033403. The next prime is 11140033447. The reversal of 11140033431 is 13433004111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11140033431 - 2¹⁸ = 11139771287 is a prime.

It is a super-2 number, since 2×11140033431² (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 = 11140033398 and 11140033407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140033451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97719535 + ... + 97719648.

It is an arithmetic number, because the mean of its divisors is an integer number (1954391840).

Almost surely, 2^11140033431 is an apocalyptic number.

11140033431 is a deficient number, since it is larger than the sum of its proper divisors (4495101289).

11140033431 is a wasteful number, since it uses less digits than its factorization.

11140033431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195439205.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11140033431 its reverse (13433004111), we get a palindrome (24573037542).

The spelling of 11140033431 in words is "eleven billion, one hundred forty million, thirty-three thousand, four hundred thirty-one".