31444040134 has 16 divisors (see below), whose sum is σ = 52545744720. Its totient is φ = 14012197920.

The previous prime is 31444040113. The next prime is 31444040137. The reversal of 31444040134 is 43104044413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31444040137) 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, 20850732 + ... + 20852239.

It is an arithmetic number, because the mean of its divisors is an integer number (3284109045).

Almost surely, 2^31444040134 is an apocalyptic number.

31444040134 is a deficient number, since it is larger than the sum of its proper divisors (21101704586).

31444040134 is a wasteful number, since it uses less digits than its factorization.

31444040134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41703015.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31444040134 its reverse (43104044413), we get a palindrome (74548084547).

The spelling of 31444040134 in words is "thirty-one billion, four hundred forty-four million, forty thousand, one hundred thirty-four".