31041125 has 16 divisors (see below), whose sum is σ = 38997504. Its totient is φ = 24667600.

The previous prime is 31041121. The next prime is 31041161. The reversal of 31041125 is 52114013.

It is not a de Polignac number, because 31041125 - 2² = 31041121 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 (31041121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20132 + ... + 21618.

It is an arithmetic number, because the mean of its divisors is an integer number (2437344).

Almost surely, 2^31041125 is an apocalyptic number.

It is an amenable number.

31041125 is a deficient number, since it is larger than the sum of its proper divisors (7956379).

31041125 is a wasteful number, since it uses less digits than its factorization.

31041125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 31041125 is about 5571.4562728249. The cubic root of 31041125 is about 314.2769170599.

Adding to 31041125 its reverse (52114013), we get a palindrome (83155138).

The spelling of 31041125 in words is "thirty-one million, forty-one thousand, one hundred twenty-five".