42131433021020 has 24 divisors (see below), whose sum is σ = 101115439250784. Its totient is φ = 14445062750016.

The previous prime is 42131433020983. The next prime is 42131433021043. The reversal of 42131433021020 is 2012033413124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150469403507 + ... + 150469403786.

It is an arithmetic number, because the mean of its divisors is an integer number (4213143302116).

Almost surely, 2^{42131433021020} is an apocalyptic number.

It is an amenable number.

42131433021020 is an abundant number, since it is smaller than the sum of its proper divisors (58984006229764).

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

42131433021020 is a wasteful number, since it uses less digits than its factorization.

42131433021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300938807309 (or 300938807307 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 42131433021020 its reverse (2012033413124), we get a palindrome (44143466434144).

The spelling of 42131433021020 in words is "forty-two trillion, one hundred thirty-one billion, four hundred thirty-three million, twenty-one thousand, twenty".