1323031012 has 48 divisors (see below), whose sum is σ = 2411136000. Its totient is φ = 634817664.

The previous prime is 1323030937. The next prime is 1323031079. The reversal of 1323031012 is 2101303231.

It is a super-2 number, since 2×1323031012² = 3500822117427488288, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 3400914 + ... + 3401302.

It is an arithmetic number, because the mean of its divisors is an integer number (50232000).

Almost surely, 2^1323031012 is an apocalyptic number.

It is an amenable number.

1323031012 is a deficient number, since it is larger than the sum of its proper divisors (1088104988).

1323031012 is a wasteful number, since it uses less digits than its factorization.

1323031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1323031012 is about 36373.4932608899. The cubic root of 1323031012 is about 1097.8002905959.

Adding to 1323031012 its reverse (2101303231), we get a palindrome (3424334243).

The spelling of 1323031012 in words is "one billion, three hundred twenty-three million, thirty-one thousand, twelve".