200120112431 has 2 divisors, whose sum is σ = 200120112432. Its totient is φ = 200120112430.

The previous prime is 200120112403. The next prime is 200120112461. The reversal of 200120112431 is 134211021002.

200120112431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200120112431 - 2²² = 200115918127 is a prime.

It is a super-2 number, since 2×200120112431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200120112461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060056215 + 100060056216.

It is an arithmetic number, because the mean of its divisors is an integer number (100060056216).

Almost surely, 2^200120112431 is an apocalyptic number.

200120112431 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120112431 is an equidigital number, since it uses as much as digits as its factorization.

200120112431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 200120112431 its reverse (134211021002), we get a palindrome (334331133433).

The spelling of 200120112431 in words is "two hundred billion, one hundred twenty million, one hundred twelve thousand, four hundred thirty-one".