11206229031 has 18 divisors (see below), whose sum is σ = 17194952112. Its totient is φ = 7031357760.

The previous prime is 11206229017. The next prime is 11206229033. The reversal of 11206229031 is 13092260211.

11206229031 is a `hidden beast` number, since 1 + 1 + 2 + 0 + 622 + 9 + 0 + 31 = 666.

It is not a de Polignac number, because 11206229031 - 2⁷ = 11206228903 is a prime.

It is a super-2 number, since 2×11206229031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11206228986 and 11206229004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11206229033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2151615 + ... + 2156816.

Almost surely, 2^11206229031 is an apocalyptic number.

11206229031 is a deficient number, since it is larger than the sum of its proper divisors (5988723081).

11206229031 is a wasteful number, since it uses less digits than its factorization.

11206229031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308471 (or 4308451 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

Adding to 11206229031 its reverse (13092260211), we get a palindrome (24298489242).

The spelling of 11206229031 in words is "eleven billion, two hundred six million, two hundred twenty-nine thousand, thirty-one".