13120020430031 has 8 divisors (see below), whose sum is σ = 13236204630240. Its totient is φ = 13003837595392.

The previous prime is 13120020430021. The next prime is 13120020430037. The reversal of 13120020430031 is 13003402002131.

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

It is a cyclic number.

It is not a de Polignac number, because 13120020430031 - 2⁴² = 8721973918927 is a prime.

It is a super-2 number, since 2×13120020430031² (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 = 13120020429985 and 13120020430012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120020430037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36119291 + ... + 36480723.

It is an arithmetic number, because the mean of its divisors is an integer number (1654525578780).

Almost surely, 2^{13120020430031} is an apocalyptic number.

13120020430031 is a deficient number, since it is larger than the sum of its proper divisors (116184200209).

13120020430031 is a wasteful number, since it uses less digits than its factorization.

13120020430031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682785.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13120020430031 its reverse (13003402002131), we get a palindrome (26123422432162).

The spelling of 13120020430031 in words is "thirteen trillion, one hundred twenty billion, twenty million, four hundred thirty thousand, thirty-one".