431012120103 has 12 divisors (see below), whose sum is σ = 639399361848. Its totient is φ = 279575429040.

The previous prime is 431012120101. The next prime is 431012120117. The reversal of 431012120103 is 301021210134.

431012120103 is a `hidden beast` number, since 431 + 0 + 12 + 120 + 103 = 666.

It is not a de Polignac number, because 431012120103 - 2¹ = 431012120101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431012120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 647165013 + ... + 647165678.

It is an arithmetic number, because the mean of its divisors is an integer number (53283280154).

Almost surely, 2^431012120103 is an apocalyptic number.

431012120103 is a deficient number, since it is larger than the sum of its proper divisors (208387241745).

431012120103 is a wasteful number, since it uses less digits than its factorization.

431012120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294330734 (or 1294330731 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 431012120103 its reverse (301021210134), we get a palindrome (732033330237).

The spelling of 431012120103 in words is "four hundred thirty-one billion, twelve million, one hundred twenty thousand, one hundred three".