31041142624 has 24 divisors (see below), whose sum is σ = 61885827360. Its totient is φ = 15324107136.

The previous prime is 31041142619. The next prime is 31041142633. The reversal of 31041142624 is 42624114013.

It is a junction number, because it is equal to n+sod(n) for n = 31041142592 and 31041142601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6136939 + ... + 6141994.

It is an arithmetic number, because the mean of its divisors is an integer number (2578576140).

Almost surely, 2^31041142624 is an apocalyptic number.

It is an amenable number.

31041142624 is a deficient number, since it is larger than the sum of its proper divisors (30844684736).

31041142624 is a wasteful number, since it uses less digits than its factorization.

31041142624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12279022 (or 12279014 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31041142624 its reverse (42624114013), we get a palindrome (73665256637).

The spelling of 31041142624 in words is "thirty-one billion, forty-one million, one hundred forty-two thousand, six hundred twenty-four".