211120002000031 has 4 divisors (see below), whose sum is σ = 211120083764064. Its totient is φ = 211119920236000.

The previous prime is 211120002000029. The next prime is 211120002000077. The reversal of 211120002000031 is 130000200021112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211120002000031 - 2¹ = 211120002000029 is a prime.

It is a super-2 number, since 2×211120002000031² (a number of 29 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 = 211120001999975 and 211120002000020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120002000001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36878215 + ... + 42216616.

It is an arithmetic number, because the mean of its divisors is an integer number (52780020941016).

Almost surely, 2^{211120002000031} is an apocalyptic number.

211120002000031 is a deficient number, since it is larger than the sum of its proper divisors (81764033).

211120002000031 is an equidigital number, since it uses as much as digits as its factorization.

211120002000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81764032.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 211120002000031 its reverse (130000200021112), we get a palindrome (341120202021143).

The spelling of 211120002000031 in words is "two hundred eleven trillion, one hundred twenty billion, two million, thirty-one", and thus it is an aban number.