31042044220134 has 16 divisors (see below), whose sum is σ = 62084540120688. Its totient is φ = 10347272793312.

The previous prime is 31042044220133. The next prime is 31042044220151. The reversal of 31042044220134 is 43102244024013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042044220133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17923297 + ... + 19578780.

It is an arithmetic number, because the mean of its divisors is an integer number (3880283757543).

Almost surely, 2^{31042044220134} is an apocalyptic number.

31042044220134 is an abundant number, since it is smaller than the sum of its proper divisors (31042495900554).

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

31042044220134 is a wasteful number, since it uses less digits than its factorization.

31042044220134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37640039.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 31042044220134 its reverse (43102244024013), we get a palindrome (74144288244147).

The spelling of 31042044220134 in words is "thirty-one trillion, forty-two billion, forty-four million, two hundred twenty thousand, one hundred thirty-four".