31414918 has 8 divisors (see below), whose sum is σ = 49171248. Its totient is φ = 15024504.

The previous prime is 31414913. The next prime is 31414927. The reversal of 31414918 is 81941413.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31414918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31414913) 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, 341421 + ... + 341512.

It is an arithmetic number, because the mean of its divisors is an integer number (6146406).

Almost surely, 2^31414918 is an apocalyptic number.

31414918 is a deficient number, since it is larger than the sum of its proper divisors (17756330).

31414918 is a wasteful number, since it uses less digits than its factorization.

31414918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682958.

The product of its digits is 3456, while the sum is 31.

The square root of 31414918 is about 5604.9012480150. The cubic root of 31414918 is about 315.5333803673.

The spelling of 31414918 in words is "thirty-one million, four hundred fourteen thousand, nine hundred eighteen".