31441425 has 24 divisors (see below), whose sum is σ = 52767456. Its totient is φ = 16515840.

The previous prime is 31441411. The next prime is 31441433. The reversal of 31441425 is 52414413.

It is not a de Polignac number, because 31441425 - 2⁵ = 31441393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31441395 and 31441404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1897 + ... + 8153.

It is an arithmetic number, because the mean of its divisors is an integer number (2198644).

Almost surely, 2^31441425 is an apocalyptic number.

It is an amenable number.

31441425 is a deficient number, since it is larger than the sum of its proper divisors (21326031).

31441425 is a wasteful number, since it uses less digits than its factorization.

31441425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337 (or 6332 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 31441425 is about 5607.2653762775. The cubic root of 31441425 is about 315.6221014013.

Adding to 31441425 its reverse (52414413), we get a palindrome (83855838).

The spelling of 31441425 in words is "thirty-one million, four hundred forty-one thousand, four hundred twenty-five".