31444134 has 16 divisors (see below), whose sum is σ = 63253872. Its totient is φ = 10420448.

The previous prime is 31444121. The next prime is 31444157. The reversal of 31444134 is 43144413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14109 + ... + 16184.

It is an arithmetic number, because the mean of its divisors is an integer number (3953367).

Almost surely, 2^31444134 is an apocalyptic number.

31444134 is an abundant number, since it is smaller than the sum of its proper divisors (31809738).

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

31444134 is a wasteful number, since it uses less digits than its factorization.

31444134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30471.

The product of its digits is 2304, while the sum is 24.

The square root of 31444134 is about 5607.5069326752. The cubic root of 31444134 is about 315.6311658306.

Adding to 31444134 its reverse (43144413), we get a palindrome (74588547).

The spelling of 31444134 in words is "thirty-one million, four hundred forty-four thousand, one hundred thirty-four".