120031013131 has 4 divisors (see below), whose sum is σ = 120039183792. Its totient is φ = 120022842472.

The previous prime is 120031013129. The next prime is 120031013143. The reversal of 120031013131 is 131310130021.

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 120031013131 - 2¹ = 120031013129 is a prime.

It is a super-2 number, since 2×120031013131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120031013111) 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, 4063255 + ... + 4092688.

It is an arithmetic number, because the mean of its divisors is an integer number (30009795948).

Almost surely, 2^120031013131 is an apocalyptic number.

120031013131 is a deficient number, since it is larger than the sum of its proper divisors (8170661).

120031013131 is an equidigital number, since it uses as much as digits as its factorization.

120031013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8170660.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 120031013131 its reverse (131310130021), we get a palindrome (251341143152).

The spelling of 120031013131 in words is "one hundred twenty billion, thirty-one million, thirteen thousand, one hundred thirty-one".