211423004031 has 8 divisors (see below), whose sum is σ = 282438410544. Its totient is φ = 140678133440.

The previous prime is 211423003973. The next prime is 211423004041. The reversal of 211423004031 is 130400324112.

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 211423004031 - 2¹⁰ = 211423003007 is a prime.

It is a super-2 number, since 2×211423004031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211423003989 and 211423004007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211423004041) 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, 67632156 + ... + 67635281.

It is an arithmetic number, because the mean of its divisors is an integer number (35304801318).

Almost surely, 2^211423004031 is an apocalyptic number.

211423004031 is a deficient number, since it is larger than the sum of its proper divisors (71015406513).

211423004031 is a wasteful number, since it uses less digits than its factorization.

211423004031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135267961.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 211423004031 its reverse (130400324112), we get a palindrome (341823328143).

The spelling of 211423004031 in words is "two hundred eleven billion, four hundred twenty-three million, four thousand, thirty-one".