213131203232 has 24 divisors (see below), whose sum is σ = 419619860352. Its totient is φ = 106561080000.

The previous prime is 213131203223. The next prime is 213131203237. The reversal of 213131203232 is 232302131312.

It is a super-2 number, since 2×213131203232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213131203198 and 213131203207.

It is not an unprimeable number, because it can be changed into a prime (213131203237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702107 + ... + 958757.

It is an arithmetic number, because the mean of its divisors is an integer number (17484160848).

Almost surely, 2^213131203232 is an apocalyptic number.

It is an amenable number.

213131203232 is a deficient number, since it is larger than the sum of its proper divisors (206488657120).

213131203232 is a wasteful number, since it uses less digits than its factorization.

213131203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282612 (or 282604 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213131203232 its reverse (232302131312), we get a palindrome (445433334544).

The spelling of 213131203232 in words is "two hundred thirteen billion, one hundred thirty-one million, two hundred three thousand, two hundred thirty-two".