31838442548 has 12 divisors (see below), whose sum is σ = 60782481312. Its totient is φ = 14472019320.

The previous prime is 31838442547. The next prime is 31838442551. The reversal of 31838442548 is 84524483813.

It is a junction number, because it is equal to n+sod(n) for n = 31838442496 and 31838442505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31838442547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361800440 + ... + 361800527.

It is an arithmetic number, because the mean of its divisors is an integer number (5065206776).

Almost surely, 2^31838442548 is an apocalyptic number.

It is an amenable number.

31838442548 is a deficient number, since it is larger than the sum of its proper divisors (28944038764).

31838442548 is a wasteful number, since it uses less digits than its factorization.

31838442548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723600982 (or 723600980 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 50.

The spelling of 31838442548 in words is "thirty-one billion, eight hundred thirty-eight million, four hundred forty-two thousand, five hundred forty-eight".