10421331213 has 4 divisors (see below), whose sum is σ = 13895108288. Its totient is φ = 6947554140.

The previous prime is 10421331209. The next prime is 10421331229. The reversal of 10421331213 is 31213312401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10421331213 - 2² = 10421331209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10421331213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421331203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736888533 + ... + 1736888538.

It is an arithmetic number, because the mean of its divisors is an integer number (3473777072).

Almost surely, 2^10421331213 is an apocalyptic number.

It is an amenable number.

10421331213 is a deficient number, since it is larger than the sum of its proper divisors (3473777075).

10421331213 is an equidigital number, since it uses as much as digits as its factorization.

10421331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473777074.

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

Adding to 10421331213 its reverse (31213312401), we get a palindrome (41634643614).

The spelling of 10421331213 in words is "ten billion, four hundred twenty-one million, three hundred thirty-one thousand, two hundred thirteen".