213000032001 has 4 divisors (see below), whose sum is σ = 284000042672. Its totient is φ = 142000021332.

The previous prime is 213000031969. The next prime is 213000032029. The reversal of 213000032001 is 100230000312.

It is a happy number.

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 213000032001 - 2⁵ = 213000031969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213000032041) 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, 35500005331 + ... + 35500005336.

It is an arithmetic number, because the mean of its divisors is an integer number (71000010668).

Almost surely, 2^213000032001 is an apocalyptic number.

It is an amenable number.

213000032001 is a deficient number, since it is larger than the sum of its proper divisors (71000010671).

213000032001 is an equidigital number, since it uses as much as digits as its factorization.

213000032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71000010670.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 213000032001 its reverse (100230000312), we get a palindrome (313230032313).

The spelling of 213000032001 in words is "two hundred thirteen billion, thirty-two thousand, one".