42010131421 has 8 divisors (see below), whose sum is σ = 42078968640. Its totient is φ = 41941337568.

The previous prime is 42010131413. The next prime is 42010131437. The reversal of 42010131421 is 12413101024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42010131421 - 2³ = 42010131413 is a prime.

It is a super-2 number, since 2×42010131421² (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 (42010131491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2326590 + ... + 2344576.

It is an arithmetic number, because the mean of its divisors is an integer number (5259871080).

Almost surely, 2^42010131421 is an apocalyptic number.

It is an amenable number.

42010131421 is a deficient number, since it is larger than the sum of its proper divisors (68837219).

42010131421 is a wasteful number, since it uses less digits than its factorization.

42010131421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21683.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 42010131421 its reverse (12413101024), we get a palindrome (54423232445).

The spelling of 42010131421 in words is "forty-two billion, ten million, one hundred thirty-one thousand, four hundred twenty-one".