211120330000031 has 16 divisors (see below), whose sum is σ = 216588024522240. Its totient is φ = 205722904654080.

The previous prime is 211120330000001. The next prime is 211120330000057. The reversal of 211120330000031 is 130000033021112.

It is not a de Polignac number, because 211120330000031 - 2¹⁸ = 211120329737887 is a prime.

It is a super-2 number, since 2×211120330000031² (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 = 211120329999964 and 211120330000009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120330000001) 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, 4992650 + ... + 21146328.

It is an arithmetic number, because the mean of its divisors is an integer number (13536751532640).

Almost surely, 2^{211120330000031} is an apocalyptic number.

211120330000031 is a deficient number, since it is larger than the sum of its proper divisors (5467694522209).

211120330000031 is a wasteful number, since it uses less digits than its factorization.

211120330000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16155854.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 211120330000031 its reverse (130000033021112), we get a palindrome (341120363021143).

The spelling of 211120330000031 in words is "two hundred eleven trillion, one hundred twenty billion, three hundred thirty million, thirty-one", and thus it is an aban number.