31600542463044 has 48 divisors (see below), whose sum is σ = 79593570241920. Its totient is φ = 9728103024640.

The previous prime is 31600542463031. The next prime is 31600542463079. The reversal of 31600542463044 is 44036424500613.

It is a junction number, because it is equal to n+sod(n) for n = 31600542462987 and 31600542463005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974038877 + ... + 1974054884.

It is an arithmetic number, because the mean of its divisors is an integer number (1658199380040).

Almost surely, 2^{31600542463044} is an apocalyptic number.

It is an amenable number.

31600542463044 is an abundant number, since it is smaller than the sum of its proper divisors (47993027778876).

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

31600542463044 is a wasteful number, since it uses less digits than its factorization.

31600542463044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948093820 (or 3948093818 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

Adding to 31600542463044 its reverse (44036424500613), we get a palindrome (75636966963657).

The spelling of 31600542463044 in words is "thirty-one trillion, six hundred billion, five hundred forty-two million, four hundred sixty-three thousand, forty-four".