211031133023 has 8 divisors (see below), whose sum is σ = 215069300928. Its totient is φ = 206995055904.

The previous prime is 211031133017. The next prime is 211031133043. The reversal of 211031133023 is 320331130112.

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

It is a cyclic number.

It is not a de Polignac number, because 211031133023 - 2⁴ = 211031133007 is a prime.

It is a super-2 number, since 2×211031133023² (a number of 23 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 = 211031132986 and 211031133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211031133013) 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, 318140 + ... + 723377.

It is an arithmetic number, because the mean of its divisors is an integer number (26883662616).

Almost surely, 2^211031133023 is an apocalyptic number.

211031133023 is a deficient number, since it is larger than the sum of its proper divisors (4038167905).

211031133023 is a wasteful number, since it uses less digits than its factorization.

211031133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045393.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 211031133023 its reverse (320331130112), we get a palindrome (531362263135).

The spelling of 211031133023 in words is "two hundred eleven billion, thirty-one million, one hundred thirty-three thousand, twenty-three".