1323031312010 has 8 divisors (see below), whose sum is σ = 2381456361636. Its totient is φ = 529212524800.

The previous prime is 1323031311997. The next prime is 1323031312013. The reversal of 1323031312010 is 102131303231.

It can be written as a sum of positive squares in 2 ways, for example, as 1099853490121 + 223177821889 = 1048739^2 + 472417^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1323031312013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66151565591 + ... + 66151565610.

Almost surely, 2^{1323031312010} is an apocalyptic number.

1323031312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323031312010 is a deficient number, since it is larger than the sum of its proper divisors (1058425049626).

1323031312010 is a wasteful number, since it uses less digits than its factorization.

1323031312010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132303131208.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1323031312010 its reverse (102131303231), we get a palindrome (1425162615241).

The spelling of 1323031312010 in words is "one trillion, three hundred twenty-three billion, thirty-one million, three hundred twelve thousand, ten".