120031130030 has 32 divisors (see below), whose sum is σ = 249365960640. Its totient is φ = 40746067200.

The previous prime is 120031129997. The next prime is 120031130033. The reversal of 120031130030 is 30031130021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120031129987 and 120031130014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031130033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8481695 + ... + 8495834.

It is an arithmetic number, because the mean of its divisors is an integer number (7792686270).

Almost surely, 2^120031130030 is an apocalyptic number.

120031130030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120031130030 is an abundant number, since it is smaller than the sum of its proper divisors (129334830610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120031130030 is a wasteful number, since it uses less digits than its factorization.

120031130030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16977644.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 120031130030 its reverse (30031130021), we get a palindrome (150062260051).

Subtracting from 120031130030 its reverse (30031130021), we obtain a palindrome (90000000009).

The spelling of 120031130030 in words is "one hundred twenty billion, thirty-one million, one hundred thirty thousand, thirty".