42131530617 has 32 divisors (see below), whose sum is σ = 63966412800. Its totient is φ = 24416536320.

The previous prime is 42131530583. The next prime is 42131530619. The reversal of 42131530617 is 71603513124.

It is not a de Polignac number, because 42131530617 - 2⁸ = 42131530361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42131530619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3285384 + ... + 3298182.

It is an arithmetic number, because the mean of its divisors is an integer number (1998950400).

Almost surely, 2^42131530617 is an apocalyptic number.

It is an amenable number.

42131530617 is a deficient number, since it is larger than the sum of its proper divisors (21834882183).

42131530617 is a wasteful number, since it uses less digits than its factorization.

42131530617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17173.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 42131530617 in words is "forty-two billion, one hundred thirty-one million, five hundred thirty thousand, six hundred seventeen".