31425314 has 8 divisors (see below), whose sum is σ = 49187520. Its totient is φ = 15029476.

The previous prime is 31425313. The next prime is 31425319. The reversal of 31425314 is 41352413.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

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 31425314.

It is not an unprimeable number, because it can be changed into a prime (31425313) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 341534 + ... + 341625.

It is an arithmetic number, because the mean of its divisors is an integer number (6148440).

Almost surely, 2^31425314 is an apocalyptic number.

31425314 is a deficient number, since it is larger than the sum of its proper divisors (17762206).

31425314 is a wasteful number, since it uses less digits than its factorization.

31425314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683184.

The product of its digits is 1440, while the sum is 23.

The square root of 31425314 is about 5605.8285739041. The cubic root of 31425314 is about 315.5681825511.

Adding to 31425314 its reverse (41352413), we get a palindrome (72777727).

The spelling of 31425314 in words is "thirty-one million, four hundred twenty-five thousand, three hundred fourteen".