42031212010103 has 32 divisors (see below), whose sum is σ = 43996735211520. Its totient is φ = 40108489649280.

The previous prime is 42031212010093. The next prime is 42031212010111. The reversal of 42031212010103 is 30101021213024.

It is a cyclic number.

It is not a de Polignac number, because 42031212010103 - 2⁴⁰ = 40931700382327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031212010133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537039188 + ... + 537117446.

It is an arithmetic number, because the mean of its divisors is an integer number (1374897975360).

Almost surely, 2^{42031212010103} is an apocalyptic number.

42031212010103 is a deficient number, since it is larger than the sum of its proper divisors (1965523201417).

42031212010103 is a wasteful number, since it uses less digits than its factorization.

42031212010103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79287.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 42031212010103 its reverse (30101021213024), we get a palindrome (72132233223127).

The spelling of 42031212010103 in words is "forty-two trillion, thirty-one billion, two hundred twelve million, ten thousand, one hundred three".