31210201214 has 16 divisors (see below), whose sum is σ = 47100586320. Its totient is φ = 15510094080.

The previous prime is 31210201177. The next prime is 31210201237. The reversal of 31210201214 is 41210201213.

It is a junction number, because it is equal to n+sod(n) for n = 31210201192 and 31210201201.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 724052 + ... + 765944.

It is an arithmetic number, because the mean of its divisors is an integer number (2943786645).

Almost surely, 2^31210201214 is an apocalyptic number.

31210201214 is a deficient number, since it is larger than the sum of its proper divisors (15890385106).

31210201214 is a wasteful number, since it uses less digits than its factorization.

31210201214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44155.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 31210201214 its reverse (41210201213), we get a palindrome (72420402427).

Subtracting 31210201214 from its reverse (41210201213), we obtain a palindrome (9999999999).

The spelling of 31210201214 in words is "thirty-one billion, two hundred ten million, two hundred one thousand, two hundred fourteen".