13123031330 has 8 divisors (see below), whose sum is σ = 23621456412. Its totient is φ = 5249212528.

The previous prime is 13123031329. The next prime is 13123031381. The reversal of 13123031330 is 3313032131.

It can be written as a sum of positive squares in 2 ways, for example, as 12752507329 + 370524001 = 112927^2 + 19249^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656151557 + ... + 656151576.

Almost surely, 2^13123031330 is an apocalyptic number.

13123031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123031330 is a deficient number, since it is larger than the sum of its proper divisors (10498425082).

13123031330 is a wasteful number, since it uses less digits than its factorization.

13123031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312303140.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13123031330 its reverse (3313032131), we get a palindrome (16436063461).

The spelling of 13123031330 in words is "thirteen billion, one hundred twenty-three million, thirty-one thousand, three hundred thirty".