120330405131 has 4 divisors (see below), whose sum is σ = 120846844872. Its totient is φ = 119813965392.

The previous prime is 120330404981. The next prime is 120330405137. The reversal of 120330405131 is 131504033021.

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 120330405131 - 2¹⁸ = 120330142987 is a prime.

It is a super-2 number, since 2×120330405131² (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 = 120330405097 and 120330405106.

It is not an unprimeable number, because it can be changed into a prime (120330405137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258219521 + ... + 258219986.

It is an arithmetic number, because the mean of its divisors is an integer number (30211711218).

Almost surely, 2^120330405131 is an apocalyptic number.

120330405131 is a deficient number, since it is larger than the sum of its proper divisors (516439741).

120330405131 is an equidigital number, since it uses as much as digits as its factorization.

120330405131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516439740.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 120330405131 its reverse (131504033021), we get a palindrome (251834438152).

The spelling of 120330405131 in words is "one hundred twenty billion, three hundred thirty million, four hundred five thousand, one hundred thirty-one".