13330120331 has 4 divisors (see below), whose sum is σ = 14541949464. Its totient is φ = 12118291200.

The previous prime is 13330120313. The next prime is 13330120381. The reversal of 13330120331 is 13302103331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13330120331 - 2⁶ = 13330120267 is a prime.

It is a super-2 number, since 2×13330120331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13330120381) 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, 605914550 + ... + 605914571.

It is an arithmetic number, because the mean of its divisors is an integer number (3635487366).

Almost surely, 2^13330120331 is an apocalyptic number.

13330120331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13330120331 is a deficient number, since it is larger than the sum of its proper divisors (1211829133).

13330120331 is a wasteful number, since it uses less digits than its factorization.

13330120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211829132.

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

Adding to 13330120331 its reverse (13302103331), we get a palindrome (26632223662).

The spelling of 13330120331 in words is "thirteen billion, three hundred thirty million, one hundred twenty thousand, three hundred thirty-one".