31434486 has 8 divisors (see below), whose sum is σ = 62868984. Its totient is φ = 10478160.

The previous prime is 31434443. The next prime is 31434503. The reversal of 31434486 is 68443413.

It is a happy number.

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

31434486 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2619535 + ... + 2619546.

It is an arithmetic number, because the mean of its divisors is an integer number (7858623).

Almost surely, 2^31434486 is an apocalyptic number.

31434486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31434486 is a wasteful number, since it uses less digits than its factorization.

31434486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239086.

The product of its digits is 27648, while the sum is 33.

The square root of 31434486 is about 5606.6465913236. The cubic root of 31434486 is about 315.5988808370.

Adding to 31434486 its reverse (68443413), we get a palindrome (99877899).

The spelling of 31434486 in words is "thirty-one million, four hundred thirty-four thousand, four hundred eighty-six".