213830303651 has 4 divisors (see below), whose sum is σ = 214073017704. Its totient is φ = 213587589600.

The previous prime is 213830303639. The next prime is 213830303693. The reversal of 213830303651 is 156303038312.

It is a happy number.

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 213830303651 - 2⁶ = 213830303587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213830303251) 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, 121355705 + ... + 121357466.

It is an arithmetic number, because the mean of its divisors is an integer number (53518254426).

Almost surely, 2^213830303651 is an apocalyptic number.

213830303651 is a deficient number, since it is larger than the sum of its proper divisors (242714053).

213830303651 is an equidigital number, since it uses as much as digits as its factorization.

213830303651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242714052.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 213830303651 in words is "two hundred thirteen billion, eight hundred thirty million, three hundred three thousand, six hundred fifty-one".