213421001330 has 32 divisors (see below), whose sum is σ = 397433433600. Its totient is φ = 82430530560.

The previous prime is 213421001329. The next prime is 213421001341. The reversal of 213421001330 is 33100124312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627464 + ... + 905843.

It is an arithmetic number, because the mean of its divisors is an integer number (12419794800).

Almost surely, 2^213421001330 is an apocalyptic number.

213421001330 is a deficient number, since it is larger than the sum of its proper divisors (184012432270).

213421001330 is a wasteful number, since it uses less digits than its factorization.

213421001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533794.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213421001330 its reverse (33100124312), we get a palindrome (246521125642).

The spelling of 213421001330 in words is "two hundred thirteen billion, four hundred twenty-one million, one thousand, three hundred thirty".