331113322112 has 16 divisors (see below), whose sum is σ = 659639821650. Its totient is φ = 165556660992.

The previous prime is 331113322093. The next prime is 331113322121. The reversal of 331113322112 is 211223311133.

It can be written as a sum of positive squares in only one way, i.e., 330330665536 + 782656576 = 574744^2 + 27976^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293411287 + ... + 1293411542.

Almost surely, 2^331113322112 is an apocalyptic number.

331113322112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331113322112 is a deficient number, since it is larger than the sum of its proper divisors (328526499538).

331113322112 is an equidigital number, since it uses as much as digits as its factorization.

331113322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586822843 (or 2586822831 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 331113322112 its reverse (211223311133), we get a palindrome (542336633245).

The spelling of 331113322112 in words is "three hundred thirty-one billion, one hundred thirteen million, three hundred twenty-two thousand, one hundred twelve".