213301020251 has 8 divisors (see below), whose sum is σ = 232711652208. Its totient is φ = 193893660000.

The previous prime is 213301020241. The next prime is 213301020259. The reversal of 213301020251 is 152020103312.

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 213301020251 - 2²² = 213296825947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213301020259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680600 + ... + 943301.

It is an arithmetic number, because the mean of its divisors is an integer number (29088956526).

Almost surely, 2^213301020251 is an apocalyptic number.

213301020251 is a deficient number, since it is larger than the sum of its proper divisors (19410631957).

213301020251 is a wasteful number, since it uses less digits than its factorization.

213301020251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635853.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 213301020251 its reverse (152020103312), we get a palindrome (365321123563).

The spelling of 213301020251 in words is "two hundred thirteen billion, three hundred one million, twenty thousand, two hundred fifty-one".