31524330165142 has 32 divisors (see below), whose sum is σ = 48242755072512. Its totient is φ = 15446631792384.

The previous prime is 31524330165073. The next prime is 31524330165151. The reversal of 31524330165142 is 24156103342513.

It is a junction number, because it is equal to n+sod(n) for n = 31524330165095 and 31524330165104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208276663 + ... + 208427965.

It is an arithmetic number, because the mean of its divisors is an integer number (1507586096016).

Almost surely, 2^{31524330165142} is an apocalyptic number.

31524330165142 is a deficient number, since it is larger than the sum of its proper divisors (16718424907370).

31524330165142 is a wasteful number, since it uses less digits than its factorization.

31524330165142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161932.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 31524330165142 in words is "thirty-one trillion, five hundred twenty-four billion, three hundred thirty million, one hundred sixty-five thousand, one hundred forty-two".