31621114 has 8 divisors (see below), whose sum is σ = 54207648. Its totient is φ = 13551900.

The previous prime is 31621097. The next prime is 31621123. The reversal of 31621114 is 41112613.

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

It is a junction number, because it is equal to n+sod(n) for n = 31621091 and 31621100.

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, 1129312 + ... + 1129339.

It is an arithmetic number, because the mean of its divisors is an integer number (6775956).

Almost surely, 2^31621114 is an apocalyptic number.

31621114 is a deficient number, since it is larger than the sum of its proper divisors (22586534).

31621114 is a wasteful number, since it uses less digits than its factorization.

31621114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258660.

The product of its digits is 144, while the sum is 19.

The square root of 31621114 is about 5623.2654214433. The cubic root of 31621114 is about 316.2222239141. Note that the first 5 decimals are identical.

Adding to 31621114 its reverse (41112613), we get a palindrome (72733727).

The spelling of 31621114 in words is "thirty-one million, six hundred twenty-one thousand, one hundred fourteen".