213231004007 has 24 divisors (see below), whose sum is σ = 251530056000. Its totient is φ = 180207308736.

The previous prime is 213231004001. The next prime is 213231004009. The reversal of 213231004007 is 700400132312.

It is not a de Polignac number, because 213231004007 - 2⁶ = 213231003943 is a prime.

It is a super-2 number, since 2×213231004007² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213231004001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2799869 + ... + 2875017.

It is an arithmetic number, because the mean of its divisors is an integer number (10480419000).

Almost surely, 2^213231004007 is an apocalyptic number.

213231004007 is a deficient number, since it is larger than the sum of its proper divisors (38299051993).

213231004007 is an equidigital number, since it uses as much as digits as its factorization.

213231004007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75975 (or 75968 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 213231004007 its reverse (700400132312), we get a palindrome (913631136319).

The spelling of 213231004007 in words is "two hundred thirteen billion, two hundred thirty-one million, four thousand, seven".