42106031403 has 4 divisors (see below), whose sum is σ = 56141375208. Its totient is φ = 28070687600.

The previous prime is 42106031399. The next prime is 42106031417. The reversal of 42106031403 is 30413060124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42106031403 - 2² = 42106031399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42106036403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7017671898 + ... + 7017671903.

It is an arithmetic number, because the mean of its divisors is an integer number (14035343802).

Almost surely, 2^42106031403 is an apocalyptic number.

42106031403 is a deficient number, since it is larger than the sum of its proper divisors (14035343805).

42106031403 is a wasteful number, since it uses less digits than its factorization.

42106031403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14035343804.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 42106031403 its reverse (30413060124), we get a palindrome (72519091527).

The spelling of 42106031403 in words is "forty-two billion, one hundred six million, thirty-one thousand, four hundred three".