31201210213 has 8 divisors (see below), whose sum is σ = 31555591808. Its totient is φ = 30847818384.

The previous prime is 31201210141. The next prime is 31201210273.

31201210213 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 31201210213 - 2²¹ = 31199113061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201210273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183945 + ... + 310222.

It is an arithmetic number, because the mean of its divisors is an integer number (3944448976).

Almost surely, 2^31201210213 is an apocalyptic number.

It is an amenable number.

31201210213 is a deficient number, since it is larger than the sum of its proper divisors (354381595).

31201210213 is a wasteful number, since it uses less digits than its factorization.

31201210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494883.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 31201210213 in words is "thirty-one billion, two hundred one million, two hundred ten thousand, two hundred thirteen".