213320131031 has 8 divisors (see below), whose sum is σ = 244109829024. Its totient is φ = 182609281440.

The previous prime is 213320131027. The next prime is 213320131043. The reversal of 213320131031 is 130131023312.

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 213320131031 - 2² = 213320131027 is a prime.

It is a super-2 number, since 2×213320131031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213320130994 and 213320131012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213320131091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19706300 + ... + 19717121.

It is an arithmetic number, because the mean of its divisors is an integer number (30513728628).

Almost surely, 2^213320131031 is an apocalyptic number.

213320131031 is a deficient number, since it is larger than the sum of its proper divisors (30789697993).

213320131031 is an equidigital number, since it uses as much as digits as its factorization.

213320131031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39424201.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213320131031 its reverse (130131023312), we get a palindrome (343451154343).

The spelling of 213320131031 in words is "two hundred thirteen billion, three hundred twenty million, one hundred thirty-one thousand, thirty-one".