31414439 has 12 divisors (see below), whose sum is σ = 37723968. Its totient is φ = 26056800.

The previous prime is 31414387. The next prime is 31414463. The reversal of 31414439 is 93441413.

It is not a de Polignac number, because 31414439 - 2⁸ = 31414183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31414499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8822 + ... + 11859.

It is an arithmetic number, because the mean of its divisors is an integer number (3143664).

Almost surely, 2^31414439 is an apocalyptic number.

31414439 is a deficient number, since it is larger than the sum of its proper divisors (6309529).

31414439 is a wasteful number, since it uses less digits than its factorization.

31414439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20726 (or 20719 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 31414439 is about 5604.8585173936. The cubic root of 31414439 is about 315.5317766573.

The spelling of 31414439 in words is "thirty-one million, four hundred fourteen thousand, four hundred thirty-nine".