211302301231 has 16 divisors (see below), whose sum is σ = 254316232960. Its totient is φ = 171504190080.

The previous prime is 211302301219. The next prime is 211302301237. The reversal of 211302301231 is 132103203112.

It is not a de Polignac number, because 211302301231 - 2¹¹ = 211302299183 is a prime.

It is a super-2 number, since 2×211302301231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211302301199 and 211302301208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211302301237) 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, 80181 + ... + 655006.

It is an arithmetic number, because the mean of its divisors is an integer number (15894764560).

Almost surely, 2^211302301231 is an apocalyptic number.

211302301231 is a deficient number, since it is larger than the sum of its proper divisors (43013931729).

211302301231 is a wasteful number, since it uses less digits than its factorization.

211302301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737374.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211302301231 its reverse (132103203112), we get a palindrome (343405504343).

The spelling of 211302301231 in words is "two hundred eleven billion, three hundred two million, three hundred one thousand, two hundred thirty-one".