31454242 has 8 divisors (see below), whose sum is σ = 48278736. Its totient is φ = 15361332.

The previous prime is 31454221. The next prime is 31454249. The reversal of 31454242 is 24245413.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (31454249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182788 + ... + 182959.

It is an arithmetic number, because the mean of its divisors is an integer number (6034842).

Almost surely, 2^31454242 is an apocalyptic number.

31454242 is a deficient number, since it is larger than the sum of its proper divisors (16824494).

31454242 is a wasteful number, since it uses less digits than its factorization.

31454242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365792.

The product of its digits is 3840, while the sum is 25.

The square root of 31454242 is about 5608.4081520517. The cubic root of 31454242 is about 315.6649830340.

Adding to 31454242 its reverse (24245413), we get a palindrome (55699655).

The spelling of 31454242 in words is "thirty-one million, four hundred fifty-four thousand, two hundred forty-two".