120030321031 has 4 divisors (see below), whose sum is σ = 120217576464. Its totient is φ = 119843065600.

The previous prime is 120030321011. The next prime is 120030321181. The reversal of 120030321031 is 130123030021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130123030021 = 17939 ⋅7253639.

It is a cyclic number.

It is not a de Polignac number, because 120030321031 - 2²³ = 120021932423 is a prime.

It is a super-2 number, since 2×120030321031² (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 = 120030320996 and 120030321014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120030321011) 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, 93626755 + ... + 93628036.

It is an arithmetic number, because the mean of its divisors is an integer number (30054394116).

Almost surely, 2^120030321031 is an apocalyptic number.

120030321031 is a deficient number, since it is larger than the sum of its proper divisors (187255433).

120030321031 is an equidigital number, since it uses as much as digits as its factorization.

120030321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187255432.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 120030321031 its reverse (130123030021), we get a palindrome (250153351052).

The spelling of 120030321031 in words is "one hundred twenty billion, thirty million, three hundred twenty-one thousand, thirty-one".