1323031112 has 32 divisors (see below), whose sum is σ = 2699067000. Its totient is φ = 604329984.

The previous prime is 1323031109. The next prime is 1323031133. The reversal of 1323031112 is 2111303231.

It can be written as a sum of positive squares in 4 ways, for example, as 1040320516 + 282710596 = 32254^2 + 16814^2 .

It is a super-2 number, since 2×1323031112² = 3500822646639913088, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 55487 + ... + 75662.

Almost surely, 2^1323031112 is an apocalyptic number.

It is an amenable number.

1323031112 is an abundant number, since it is smaller than the sum of its proper divisors (1376035888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323031112 is a wasteful number, since it uses less digits than its factorization.

1323031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131265 (or 131261 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1323031112 is about 36373.4946355172. The cubic root of 1323031112 is about 1097.8003182546.

Adding to 1323031112 its reverse (2111303231), we get a palindrome (3434334343).

The spelling of 1323031112 in words is "one billion, three hundred twenty-three million, thirty-one thousand, one hundred twelve".