213131023001323 has 8 divisors (see below), whose sum is σ = 247571399084000. Its totient is φ = 179688918689280.

The previous prime is 213131023001279. The next prime is 213131023001353. The reversal of 213131023001323 is 323100320131312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213131023001323 - 2²⁵ = 213130989446891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213131023001353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249567942198 + ... + 249567943051.

It is an arithmetic number, because the mean of its divisors is an integer number (30946424885500).

Almost surely, 2^{213131023001323} is an apocalyptic number.

213131023001323 is a deficient number, since it is larger than the sum of its proper divisors (34440376082677).

213131023001323 is an equidigital number, since it uses as much as digits as its factorization.

213131023001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499135885317.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 213131023001323 its reverse (323100320131312), we get a palindrome (536231343132635).

The spelling of 213131023001323 in words is "two hundred thirteen trillion, one hundred thirty-one billion, twenty-three million, one thousand, three hundred twenty-three".