13120344024331 has 4 divisors (see below), whose sum is σ = 13267763620200. Its totient is φ = 12972924428464.

The previous prime is 13120344024257. The next prime is 13120344024373. The reversal of 13120344024331 is 13342044302131.

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 13120344024331 - 2⁹ = 13120344023819 is a prime.

It is a super-2 number, since 2×13120344024331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13120344024293 and 13120344024302.

It is not an unprimeable number, because it can be changed into a prime (13120344027331) 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, 73709797801 + ... + 73709797978.

It is an arithmetic number, because the mean of its divisors is an integer number (3316940905050).

Almost surely, 2^{13120344024331} is an apocalyptic number.

13120344024331 is a deficient number, since it is larger than the sum of its proper divisors (147419595869).

13120344024331 is an equidigital number, since it uses as much as digits as its factorization.

13120344024331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147419595868.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 13120344024331 its reverse (13342044302131), we get a palindrome (26462388326462).

The spelling of 13120344024331 in words is "thirteen trillion, one hundred twenty billion, three hundred forty-four million, twenty-four thousand, three hundred thirty-one".