31442122104042 has 32 divisors (see below), whose sum is σ = 67721724508032. Its totient is φ = 9674466145344.

The previous prime is 31442122104031. The next prime is 31442122104047. The reversal of 31442122104042 is 24040122124413.

It is not an unprimeable number, because it can be changed into a prime (31442122104047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32675523 + ... + 33624009.

It is an arithmetic number, because the mean of its divisors is an integer number (2116303890876).

Almost surely, 2^{31442122104042} is an apocalyptic number.

31442122104042 is an abundant number, since it is smaller than the sum of its proper divisors (36279602403990).

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

31442122104042 is a wasteful number, since it uses less digits than its factorization.

31442122104042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373502.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 31442122104042 its reverse (24040122124413), we get a palindrome (55482244228455).

The spelling of 31442122104042 in words is "thirty-one trillion, four hundred forty-two billion, one hundred twenty-two million, one hundred four thousand, forty-two".