211130331031 has 8 divisors (see below), whose sum is σ = 217188016560. Its totient is φ = 205091143488.

The previous prime is 211130331023. The next prime is 211130331037. The reversal of 211130331031 is 130133031112.

211130331031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211130331031 - 2³ = 211130331023 is a prime.

It is a super-2 number, since 2×211130331031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211130331037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4601341 + ... + 4646998.

It is an arithmetic number, because the mean of its divisors is an integer number (27148502070).

Almost surely, 2^211130331031 is an apocalyptic number.

211130331031 is a deficient number, since it is larger than the sum of its proper divisors (6057685529).

211130331031 is an equidigital number, since it uses as much as digits as its factorization.

211130331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9248993.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 211130331031 its reverse (130133031112), we get a palindrome (341263362143).

The spelling of 211130331031 in words is "two hundred eleven billion, one hundred thirty million, three hundred thirty-one thousand, thirty-one".