42031131546 has 16 divisors (see below), whose sum is σ = 87717144384. Its totient is φ = 13401230304.

The previous prime is 42031131533. The next prime is 42031131547. The reversal of 42031131546 is 64513113024.

It is not an unprimeable number, because it can be changed into a prime (42031131547) 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, 152286571 + ... + 152286846.

It is an arithmetic number, because the mean of its divisors is an integer number (5482321524).

Almost surely, 2^42031131546 is an apocalyptic number.

42031131546 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42031131546 is an abundant number, since it is smaller than the sum of its proper divisors (45686012838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42031131546 is a wasteful number, since it uses less digits than its factorization.

42031131546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304573445.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 42031131546 in words is "forty-two billion, thirty-one million, one hundred thirty-one thousand, five hundred forty-six".