212021031313 has 8 divisors (see below), whose sum is σ = 260948961728. Its totient is φ = 167752903824.

The previous prime is 212021031241. The next prime is 212021031359. The reversal of 212021031313 is 313130120212.

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 212021031313 - 2²⁹ = 211484160401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021031713) by changing a digit.

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, 1164950631 + ... + 1164950812.

It is an arithmetic number, because the mean of its divisors is an integer number (32618620216).

Almost surely, 2^212021031313 is an apocalyptic number.

It is an amenable number.

212021031313 is a deficient number, since it is larger than the sum of its proper divisors (48927930415).

212021031313 is a wasteful number, since it uses less digits than its factorization.

212021031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329901463.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212021031313 its reverse (313130120212), we get a palindrome (525151151525).

The spelling of 212021031313 in words is "two hundred twelve billion, twenty-one million, thirty-one thousand, three hundred thirteen".