31200214 has 8 divisors (see below), whose sum is σ = 46837008. Its totient is φ = 15587880.

The previous prime is 31200209. The next prime is 31200233. The reversal of 31200214 is 41200213.

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 = 31200194 and 31200203.

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, 2497 + ... + 8284.

It is an arithmetic number, because the mean of its divisors is an integer number (5854626).

Almost surely, 2^31200214 is an apocalyptic number.

31200214 is a deficient number, since it is larger than the sum of its proper divisors (15636794).

31200214 is a wasteful number, since it uses less digits than its factorization.

31200214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12230.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 31200214 is about 5585.7151735476. The cubic root of 31200214 is about 314.8129030875.

Adding to 31200214 its reverse (41200213), we get a palindrome (72400427).

Subtracting 31200214 from its reverse (41200213), we obtain a palindrome (9999999).

The spelling of 31200214 in words is "thirty-one million, two hundred thousand, two hundred fourteen".