213002220403 has 4 divisors (see below), whose sum is σ = 243431109040. Its totient is φ = 182573331768.

The previous prime is 213002220359. The next prime is 213002220427. The reversal of 213002220403 is 304022200312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213002220403 - 2⁹ = 213002219891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213002220203) 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, 15214444308 + ... + 15214444321.

It is an arithmetic number, because the mean of its divisors is an integer number (60857777260).

Almost surely, 2^213002220403 is an apocalyptic number.

213002220403 is a deficient number, since it is larger than the sum of its proper divisors (30428888637).

213002220403 is an equidigital number, since it uses as much as digits as its factorization.

213002220403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30428888636.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 213002220403 its reverse (304022200312), we get a palindrome (517024420715).

The spelling of 213002220403 in words is "two hundred thirteen billion, two million, two hundred twenty thousand, four hundred three".