120340100422431 has 12 divisors (see below), whose sum is σ = 174551889039840. Its totient is φ = 79891056903840.

The previous prime is 120340100422411. The next prime is 120340100422439. The reversal of 120340100422431 is 134224001043021.

120340100422431 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 401 + 0 + 0 + 4 + 224 + 31 = 666.

It is not a de Polignac number, because 120340100422431 - 2³⁴ = 120322920553247 is a prime.

It is a super-2 number, since 2×120340100422431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120340100422395 and 120340100422404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120340100422439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27973056990 + ... + 27973061291.

It is an arithmetic number, because the mean of its divisors is an integer number (14545990753320).

Almost surely, 2^{120340100422431} is an apocalyptic number.

120340100422431 is a deficient number, since it is larger than the sum of its proper divisors (54211788617409).

120340100422431 is a wasteful number, since it uses less digits than its factorization.

120340100422431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55946118526 (or 55946118523 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 120340100422431 its reverse (134224001043021), we get a palindrome (254564101465452).

The spelling of 120340100422431 in words is "one hundred twenty trillion, three hundred forty billion, one hundred million, four hundred twenty-two thousand, four hundred thirty-one".