31414144 has 32 divisors (see below), whose sum is σ = 65881800. Its totient is φ = 14879232.

The previous prime is 31414133. The next prime is 31414153. The reversal of 31414144 is 44141413.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4027 + ... + 8890.

Almost surely, 2^31414144 is an apocalyptic number.

It is an amenable number.

31414144 is an abundant number, since it is smaller than the sum of its proper divisors (34467656).

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

31414144 is a wasteful number, since it uses less digits than its factorization.

31414144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12950 (or 12938 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 31414144 is about 5604.8322008781. The cubic root of 31414144 is about 315.5307889781.

Adding to 31414144 its reverse (44141413), we get a palindrome (75555557).

The spelling of 31414144 in words is "thirty-one million, four hundred fourteen thousand, one hundred forty-four".