211230222300031 has 32 divisors (see below), whose sum is σ = 242005160042496. Its totient is φ = 182494198656000.

The previous prime is 211230222300029. The next prime is 211230222300107. The reversal of 211230222300031 is 130003222032112.

It is not a de Polignac number, because 211230222300031 - 2¹ = 211230222300029 is a prime.

It is a super-2 number, since 2×211230222300031² (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 = 211230222299975 and 211230222300011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211230222300001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37011055 + ... + 42335311.

It is an arithmetic number, because the mean of its divisors is an integer number (7562661251328).

Almost surely, 2^{211230222300031} is an apocalyptic number.

211230222300031 is a deficient number, since it is larger than the sum of its proper divisors (30774937742465).

211230222300031 is a wasteful number, since it uses less digits than its factorization.

211230222300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325303.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 211230222300031 its reverse (130003222032112), we get a palindrome (341233444332143).

The spelling of 211230222300031 in words is "two hundred eleven trillion, two hundred thirty billion, two hundred twenty-two million, three hundred thousand, thirty-one".