31120341 has 24 divisors (see below), whose sum is σ = 48509280. Its totient is φ = 17694432.

The previous prime is 31120339. The next prime is 31120351. The reversal of 31120341 is 14302113.

It is not a de Polignac number, because 31120341 - 2¹ = 31120339 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31120341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39150 + ... + 39936.

It is an arithmetic number, because the mean of its divisors is an integer number (2021220).

Almost surely, 2^31120341 is an apocalyptic number.

It is an amenable number.

31120341 is a deficient number, since it is larger than the sum of its proper divisors (17388939).

31120341 is a wasteful number, since it uses less digits than its factorization.

31120341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 31120341 is about 5578.5608359146. The cubic root of 31120341 is about 314.5440316538.

Adding to 31120341 its reverse (14302113), we get a palindrome (45422454).

The spelling of 31120341 in words is "thirty-one million, one hundred twenty thousand, three hundred forty-one".