212331031223 has 8 divisors (see below), whose sum is σ = 215510663280. Its totient is φ = 209151708480.

The previous prime is 212331031219. The next prime is 212331031229. The reversal of 212331031223 is 322130133212.

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 212331031223 - 2² = 212331031219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212331031229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564913 + ... + 1695173.

It is an arithmetic number, because the mean of its divisors is an integer number (26938832910).

Almost surely, 2^212331031223 is an apocalyptic number.

212331031223 is a deficient number, since it is larger than the sum of its proper divisors (3179632057).

212331031223 is a wasteful number, since it uses less digits than its factorization.

212331031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154657.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212331031223 its reverse (322130133212), we get a palindrome (534461164435).

The spelling of 212331031223 in words is "two hundred twelve billion, three hundred thirty-one million, thirty-one thousand, two hundred twenty-three".