31240122 has 8 divisors (see below), whose sum is σ = 62480256. Its totient is φ = 10413372.

The previous prime is 31240117. The next prime is 31240127. The reversal of 31240122 is 22104213.

It is an interprime number because it is at equal distance from previous prime (31240117) and next prime (31240127).

It is a sphenic number, since it is the product of 3 distinct primes.

31240122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (31240127) 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 3 ways as a sum of consecutive naturals, for example, 2603338 + ... + 2603349.

It is an arithmetic number, because the mean of its divisors is an integer number (7810032).

Almost surely, 2^31240122 is an apocalyptic number.

31240122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31240122 is a wasteful number, since it uses less digits than its factorization.

31240122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206692.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 31240122 is about 5589.2863587403. The cubic root of 31240122 is about 314.9470709759.

Adding to 31240122 its reverse (22104213), we get a palindrome (53344335).

The spelling of 31240122 in words is "thirty-one million, two hundred forty thousand, one hundred twenty-two".