120200031231 has 32 divisors (see below), whose sum is σ = 188314675200. Its totient is φ = 66773081856.

The previous prime is 120200031221. The next prime is 120200031251. The reversal of 120200031231 is 132130002021.

It is not a de Polignac number, because 120200031231 - 2¹⁹ = 120199506943 is a prime.

It is a super-2 number, since 2×120200031231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120200031231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200031221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261606 + ... + 555731.

It is an arithmetic number, because the mean of its divisors is an integer number (5884833600).

Almost surely, 2^120200031231 is an apocalyptic number.

120200031231 is a deficient number, since it is larger than the sum of its proper divisors (68114643969).

120200031231 is a wasteful number, since it uses less digits than its factorization.

120200031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817543.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120200031231 its reverse (132130002021), we get a palindrome (252330033252).

The spelling of 120200031231 in words is "one hundred twenty billion, two hundred million, thirty-one thousand, two hundred thirty-one".