11214240231 has 16 divisors (see below), whose sum is σ = 15473570400. Its totient is φ = 7215723648.

The previous prime is 11214240229. The next prime is 11214240239. The reversal of 11214240231 is 13204241211.

It is not a de Polignac number, because 11214240231 - 2¹ = 11214240229 is a prime.

It is a super-2 number, since 2×11214240231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11214240198 and 11214240207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214240239) 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, 231685 + ... + 275873.

It is an arithmetic number, because the mean of its divisors is an integer number (967098150).

Almost surely, 2^11214240231 is an apocalyptic number.

11214240231 is a deficient number, since it is larger than the sum of its proper divisors (4259330169).

11214240231 is a wasteful number, since it uses less digits than its factorization.

11214240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47138.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11214240231 its reverse (13204241211), we get a palindrome (24418481442).

The spelling of 11214240231 in words is "eleven billion, two hundred fourteen million, two hundred forty thousand, two hundred thirty-one".