42130431340031 has 4 divisors (see below), whose sum is σ = 42130572891864. Its totient is φ = 42130289788200.

The previous prime is 42130431340009. The next prime is 42130431340051. The reversal of 42130431340031 is 13004313403124.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42130431340031 is a prime.

It is a super-2 number, since 2×42130431340031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42130431339976 and 42130431340003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42130431340051) 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, 70328525 + ... + 70925046.

It is an arithmetic number, because the mean of its divisors is an integer number (10532643222966).

Almost surely, 2^{42130431340031} is an apocalyptic number.

42130431340031 is a deficient number, since it is larger than the sum of its proper divisors (141551833).

42130431340031 is a wasteful number, since it uses less digits than its factorization.

42130431340031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141551832.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 42130431340031 its reverse (13004313403124), we get a palindrome (55134744743155).

The spelling of 42130431340031 in words is "forty-two trillion, one hundred thirty billion, four hundred thirty-one million, three hundred forty thousand, thirty-one".