120031013242031 has 4 divisors (see below), whose sum is σ = 120170099005632. Its totient is φ = 119891927478432.

The previous prime is 120031013242027. The next prime is 120031013242051. The reversal of 120031013242031 is 130242310130021.

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 120031013242031 - 2² = 120031013242027 is a prime.

It is a super-2 number, since 2×120031013242031² (a number of 29 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 = 120031013241988 and 120031013242006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031013242051) 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, 69542880506 + ... + 69542882231.

It is an arithmetic number, because the mean of its divisors is an integer number (30042524751408).

Almost surely, 2^{120031013242031} is an apocalyptic number.

120031013242031 is a deficient number, since it is larger than the sum of its proper divisors (139085763601).

120031013242031 is an equidigital number, since it uses as much as digits as its factorization.

120031013242031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139085763600.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 120031013242031 its reverse (130242310130021), we get a palindrome (250273323372052).

The spelling of 120031013242031 in words is "one hundred twenty trillion, thirty-one billion, thirteen million, two hundred forty-two thousand, thirty-one".