120013120031 has 4 divisors (see below), whose sum is σ = 137157851472. Its totient is φ = 102868388592.

The previous prime is 120013120001. The next prime is 120013120037. The reversal of 120013120031 is 130021310021.

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 120013120031 - 2¹⁴ = 120013103647 is a prime.

It is a super-2 number, since 2×120013120031² (a number of 23 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 = 120013119988 and 120013120015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120013120037) 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, 8572365710 + ... + 8572365723.

It is an arithmetic number, because the mean of its divisors is an integer number (34289462868).

Almost surely, 2^120013120031 is an apocalyptic number.

120013120031 is a deficient number, since it is larger than the sum of its proper divisors (17144731441).

120013120031 is an equidigital number, since it uses as much as digits as its factorization.

120013120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17144731440.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 120013120031 its reverse (130021310021), we get a palindrome (250034430052).

The spelling of 120013120031 in words is "one hundred twenty billion, thirteen million, one hundred twenty thousand, thirty-one".