211031012033 has 8 divisors (see below), whose sum is σ = 212517191400. Its totient is φ = 209545764480.

The previous prime is 211031012009. The next prime is 211031012057. The reversal of 211031012033 is 330210130112.

It is an interprime number because it is at equal distance from previous prime (211031012009) and next prime (211031012057).

It can be written as a sum of positive squares in 4 ways, for example, as 52760711809 + 158270300224 = 229697^2 + 397832^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211031012033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211031032033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224741 + ... + 687437.

It is an arithmetic number, because the mean of its divisors is an integer number (26564648925).

Almost surely, 2^211031012033 is an apocalyptic number.

It is an amenable number.

211031012033 is a deficient number, since it is larger than the sum of its proper divisors (1486179367).

211031012033 is a wasteful number, since it uses less digits than its factorization.

211031012033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465907.

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

Adding to 211031012033 its reverse (330210130112), we get a palindrome (541241142145).

The spelling of 211031012033 in words is "two hundred eleven billion, thirty-one million, twelve thousand, thirty-three".