31842441536 has 28 divisors (see below), whose sum is σ = 64895115828. Its totient is φ = 15490916352.

The previous prime is 31842441443. The next prime is 31842441551. The reversal of 31842441536 is 63514424813.

It can be written as a sum of positive squares in 2 ways, for example, as 29336838400 + 2505603136 = 171280^2 + 50056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31842441493 and 31842441502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6721121 + ... + 6725856.

Almost surely, 2^31842441536 is an apocalyptic number.

It is an amenable number.

31842441536 is an abundant number, since it is smaller than the sum of its proper divisors (33052674292).

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

31842441536 is a wasteful number, since it uses less digits than its factorization.

31842441536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13447026 (or 13447016 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The spelling of 31842441536 in words is "thirty-one billion, eight hundred forty-two million, four hundred forty-one thousand, five hundred thirty-six".