213131331203024 has 60 divisors (see below), whose sum is σ = 451107245169036. Its totient is φ = 97497790580736.

The previous prime is 213131331203009. The next prime is 213131331203033. The reversal of 213131331203024 is 420302133131312.

It can be written as a sum of positive squares in 6 ways, for example, as 53021989824400 + 160109341378624 = 7281620^2 + 12653432^2 .

It is a super-2 number, since 2×213131331203024² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 348458867 + ... + 349069970.

Almost surely, 2^{213131331203024} is an apocalyptic number.

It is an amenable number.

213131331203024 is an abundant number, since it is smaller than the sum of its proper divisors (237975913966012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213131331203024 is a wasteful number, since it uses less digits than its factorization.

213131331203024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697528984 (or 697528965 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 213131331203024 its reverse (420302133131312), we get a palindrome (633433464334336).

The spelling of 213131331203024 in words is "two hundred thirteen trillion, one hundred thirty-one billion, three hundred thirty-one million, two hundred three thousand, twenty-four".