211112300031 has 8 divisors (see below), whose sum is σ = 281485911984. Its totient is φ = 140740110720.

The previous prime is 211112300027. The next prime is 211112300041. The reversal of 211112300031 is 130003211112.

It is a happy number.

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

It is not a de Polignac number, because 211112300031 - 2² = 211112300027 is a prime.

It is a super-2 number, since 2×211112300031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112300011) 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, 59991 + ... + 652551.

It is an arithmetic number, because the mean of its divisors is an integer number (35185738998).

Almost surely, 2^211112300031 is an apocalyptic number.

211112300031 is a deficient number, since it is larger than the sum of its proper divisors (70373611953).

211112300031 is a wasteful number, since it uses less digits than its factorization.

211112300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711321.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 211112300031 its reverse (130003211112), we get a palindrome (341115511143).

The spelling of 211112300031 in words is "two hundred eleven billion, one hundred twelve million, three hundred thousand, thirty-one".