31442914 has 8 divisors (see below), whose sum is σ = 47536128. Its totient is φ = 15597540.

The previous prime is 31442893. The next prime is 31442921. The reversal of 31442914 is 41924413.

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

It is a super-2 number, since 2×31442914² = 1977313681622792, which contains 22 as substring.

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, 61642 + ... + 62149.

It is an arithmetic number, because the mean of its divisors is an integer number (5942016).

Almost surely, 2^31442914 is an apocalyptic number.

31442914 is a deficient number, since it is larger than the sum of its proper divisors (16093214).

31442914 is a wasteful number, since it uses less digits than its factorization.

31442914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123920.

The product of its digits is 3456, while the sum is 28.

The square root of 31442914 is about 5607.3981488744. The cubic root of 31442914 is about 315.6270837231.

The spelling of 31442914 in words is "thirty-one million, four hundred forty-two thousand, nine hundred fourteen".