31407214 has 8 divisors (see below), whose sum is σ = 47199528. Its totient is φ = 15674040.

The previous prime is 31407163. The next prime is 31407223. The reversal of 31407214 is 41270413.

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

It is a congruent number.

It is an unprimeable number.

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, 13432 + ... + 15595.

It is an arithmetic number, because the mean of its divisors is an integer number (5899941).

Almost surely, 2^31407214 is an apocalyptic number.

31407214 is a deficient number, since it is larger than the sum of its proper divisors (15792314).

31407214 is a wasteful number, since it uses less digits than its factorization.

31407214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29570.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 31407214 is about 5604.2139502342. The cubic root of 31407214 is about 315.5075851077.

Adding to 31407214 its reverse (41270413), we get a palindrome (72677627).

The spelling of 31407214 in words is "thirty-one million, four hundred seven thousand, two hundred fourteen".