11140543031031 has 16 divisors (see below), whose sum is σ = 16554370769920. Its totient is φ = 7404590528280.

The previous prime is 11140543031027. The next prime is 11140543031077. The reversal of 11140543031031 is 13013034504111.

11140543031031 is a `hidden beast` number, since 1 + 1 + 14 + 0 + 543 + 0 + 3 + 103 + 1 = 666.

11140543031031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11140543031031 - 2² = 11140543031027 is a prime.

It is a super-2 number, since 2×11140543031031² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11140543030986 and 11140543031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140543031021) 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, 623273095 + ... + 623290968.

It is an arithmetic number, because the mean of its divisors is an integer number (1034648173120).

Almost surely, 2^{11140543031031} is an apocalyptic number.

11140543031031 is a deficient number, since it is larger than the sum of its proper divisors (5413827738889).

11140543031031 is a wasteful number, since it uses less digits than its factorization.

11140543031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246564403 (or 1246564397 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 11140543031031 its reverse (13013034504111), we get a palindrome (24153577535142).

The spelling of 11140543031031 in words is "eleven trillion, one hundred forty billion, five hundred forty-three million, thirty-one thousand, thirty-one".