210131120223 has 24 divisors (see below), whose sum is σ = 313447694976. Its totient is φ = 135510523200.

The previous prime is 210131120209. The next prime is 210131120263. The reversal of 210131120223 is 322021131012.

It is not a de Polignac number, because 210131120223 - 2¹⁰ = 210131119199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210131120196 and 210131120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131120263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497833 + ... + 817373.

It is an arithmetic number, because the mean of its divisors is an integer number (13060320624).

Almost surely, 2^210131120223 is an apocalyptic number.

210131120223 is a deficient number, since it is larger than the sum of its proper divisors (103316574753).

210131120223 is a wasteful number, since it uses less digits than its factorization.

210131120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321935 (or 321932 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 210131120223 its reverse (322021131012), we get a palindrome (532152251235).

The spelling of 210131120223 in words is "two hundred ten billion, one hundred thirty-one million, one hundred twenty thousand, two hundred twenty-three".