13144423330 has 8 divisors (see below), whose sum is σ = 23659962012. Its totient is φ = 5257769328.

The previous prime is 13144423319. The next prime is 13144423337. The reversal of 13144423330 is 3332444131.

It can be written as a sum of positive squares in 2 ways, for example, as 12717298441 + 427124889 = 112771^2 + 20667^2 .

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 (13144423337) 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, 657221157 + ... + 657221176.

Almost surely, 2^13144423330 is an apocalyptic number.

13144423330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13144423330 is a deficient number, since it is larger than the sum of its proper divisors (10515538682).

13144423330 is a wasteful number, since it uses less digits than its factorization.

13144423330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314442340.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13144423330 its reverse (3332444131), we get a palindrome (16476867461).

The spelling of 13144423330 in words is "thirteen billion, one hundred forty-four million, four hundred twenty-three thousand, three hundred thirty".