42210113431 has 4 divisors (see below), whose sum is σ = 42840115192. Its totient is φ = 41580111672.

The previous prime is 42210113359. The next prime is 42210113489. The reversal of 42210113431 is 13431101224.

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 42210113431 - 2²⁵ = 42176558999 is a prime.

It is a super-2 number, since 2×42210113431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210114431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315000780 + ... + 315000913.

It is an arithmetic number, because the mean of its divisors is an integer number (10710028798).

Almost surely, 2^42210113431 is an apocalyptic number.

42210113431 is a deficient number, since it is larger than the sum of its proper divisors (630001761).

42210113431 is an equidigital number, since it uses as much as digits as its factorization.

42210113431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630001760.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 42210113431 its reverse (13431101224), we get a palindrome (55641214655).

The spelling of 42210113431 in words is "forty-two billion, two hundred ten million, one hundred thirteen thousand, four hundred thirty-one".