42310131523 has 8 divisors (see below), whose sum is σ = 46158010416. Its totient is φ = 38462503200.

The previous prime is 42310131509. The next prime is 42310131541. The reversal of 42310131523 is 32513101324.

It is a happy number.

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

It is not a de Polignac number, because 42310131523 - 2²¹ = 42308034371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42310131583) 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, 556765 + ... + 628177.

It is an arithmetic number, because the mean of its divisors is an integer number (5769751302).

Almost surely, 2^42310131523 is an apocalyptic number.

42310131523 is a deficient number, since it is larger than the sum of its proper divisors (3847878893).

42310131523 is a wasteful number, since it uses less digits than its factorization.

42310131523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125285.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 42310131523 its reverse (32513101324), we get a palindrome (74823232847).

The spelling of 42310131523 in words is "forty-two billion, three hundred ten million, one hundred thirty-one thousand, five hundred twenty-three".