211300120331 has 16 divisors (see below), whose sum is σ = 230275029600. Its totient is φ = 193075822080.

The previous prime is 211300120307. The next prime is 211300120349. The reversal of 211300120331 is 133021003112.

It is a cyclic number.

It is not a de Polignac number, because 211300120331 - 2⁶ = 211300120267 is a prime.

It is a super-2 number, since 2×211300120331² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211300120301) 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, 74381 + ... + 654318.

It is an arithmetic number, because the mean of its divisors is an integer number (14392189350).

Almost surely, 2^211300120331 is an apocalyptic number.

211300120331 is a deficient number, since it is larger than the sum of its proper divisors (18974909269).

211300120331 is a wasteful number, since it uses less digits than its factorization.

211300120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729214.

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

Adding to 211300120331 its reverse (133021003112), we get a palindrome (344321123443).

The spelling of 211300120331 in words is "two hundred eleven billion, three hundred million, one hundred twenty thousand, three hundred thirty-one".