331323122 has 8 divisors (see below), whose sum is σ = 535214316. Its totient is φ = 152918352.

The previous prime is 331323103. The next prime is 331323151. The reversal of 331323122 is 221323133.

It can be written as a sum of positive squares in 2 ways, for example, as 273273961 + 58049161 = 16531^2 + 7619^2 .

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

It is a super-2 number, since 2×331323122² = 219550022343653768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331323094 and 331323103.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6371573 + ... + 6371624.

Almost surely, 2^331323122 is an apocalyptic number.

331323122 is a deficient number, since it is larger than the sum of its proper divisors (203891194).

331323122 is a wasteful number, since it uses less digits than its factorization.

331323122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12743212.

The product of its digits is 648, while the sum is 20.

The square root of 331323122 is about 18202.2834281856. The cubic root of 331323122 is about 691.9646603958.

Adding to 331323122 its reverse (221323133), we get a palindrome (552646255).

The spelling of 331323122 in words is "three hundred thirty-one million, three hundred twenty-three thousand, one hundred twenty-two".