331231101223 has 8 divisors (see below), whose sum is σ = 372999246336. Its totient is φ = 291405660600.

The previous prime is 331231101211. The next prime is 331231101301. The reversal of 331231101223 is 322101132133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-331231101223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331231101194 and 331231101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331231101323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485675761 + ... + 485676442.

It is an arithmetic number, because the mean of its divisors is an integer number (46624905792).

Almost surely, 2^331231101223 is an apocalyptic number.

331231101223 is a deficient number, since it is larger than the sum of its proper divisors (41768145113).

331231101223 is a wasteful number, since it uses less digits than its factorization.

331231101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971352245.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331231101223 its reverse (322101132133), we get a palindrome (653332233356).

The spelling of 331231101223 in words is "three hundred thirty-one billion, two hundred thirty-one million, one hundred one thousand, two hundred twenty-three".