31424214 has 16 divisors (see below), whose sum is σ = 66156480. Its totient is φ = 9923400.

The previous prime is 31424207. The next prime is 31424221. The reversal of 31424214 is 41242413.

It is an interprime number because it is at equal distance from previous prime (31424207) and next prime (31424221).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137712 + ... + 137939.

It is an arithmetic number, because the mean of its divisors is an integer number (4134780).

Almost surely, 2^31424214 is an apocalyptic number.

31424214 is an abundant number, since it is smaller than the sum of its proper divisors (34732266).

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

31424214 is a wasteful number, since it uses less digits than its factorization.

31424214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275675.

The product of its digits is 768, while the sum is 21.

The square root of 31424214 is about 5605.7304608766. The cubic root of 31424214 is about 315.5645004977.

Adding to 31424214 its reverse (41242413), we get a palindrome (72666627).

The spelling of 31424214 in words is "thirty-one million, four hundred twenty-four thousand, two hundred fourteen".