331121100223 has 2 divisors, whose sum is σ = 331121100224. Its totient is φ = 331121100222.

The previous prime is 331121100197. The next prime is 331121100241. The reversal of 331121100223 is 322001121133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331121100223 - 2¹³ = 331121092031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331121100223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331121100293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165560550111 + 165560550112.

It is an arithmetic number, because the mean of its divisors is an integer number (165560550112).

Almost surely, 2^331121100223 is an apocalyptic number.

331121100223 is a deficient number, since it is larger than the sum of its proper divisors (1).

331121100223 is an equidigital number, since it uses as much as digits as its factorization.

331121100223 is an evil number, because the sum of its binary digits is even.

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

Adding to 331121100223 its reverse (322001121133), we get a palindrome (653122221356).

The spelling of 331121100223 in words is "three hundred thirty-one billion, one hundred twenty-one million, one hundred thousand, two hundred twenty-three".