331131001322222 has 4 divisors (see below), whose sum is σ = 496696501983336. Its totient is φ = 165565500661110.

The previous prime is 331131001322189. The next prime is 331131001322257. The reversal of 331131001322222 is 222223100131133.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 331131001322191 and 331131001322200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82782750330554 + ... + 82782750330557.

It is an arithmetic number, because the mean of its divisors is an integer number (124174125495834).

Almost surely, 2^{331131001322222} is an apocalyptic number.

331131001322222 is a deficient number, since it is larger than the sum of its proper divisors (165565500661114).

331131001322222 is a wasteful number, since it uses less digits than its factorization.

331131001322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165565500661113.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 331131001322222 its reverse (222223100131133), we get a palindrome (553354101453355).

The spelling of 331131001322222 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one million, three hundred twenty-two thousand, two hundred twenty-two".