213031421013 has 8 divisors (see below), whose sum is σ = 293204536576. Its totient is φ = 137439626400.

The previous prime is 213031420993. The next prime is 213031421017. The reversal of 213031421013 is 310124130312.

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

It is not a de Polignac number, because 213031421013 - 2¹⁰ = 213031419989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213031421017) 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, 1145330128 + ... + 1145330313.

It is an arithmetic number, because the mean of its divisors is an integer number (36650567072).

Almost surely, 2^213031421013 is an apocalyptic number.

It is an amenable number.

213031421013 is a deficient number, since it is larger than the sum of its proper divisors (80173115563).

213031421013 is a wasteful number, since it uses less digits than its factorization.

213031421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290660475.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213031421013 its reverse (310124130312), we get a palindrome (523155551325).

The spelling of 213031421013 in words is "two hundred thirteen billion, thirty-one million, four hundred twenty-one thousand, thirteen".