213031020011232 has 48 divisors (see below), whose sum is σ = 571104436637952. Its totient is φ = 69499481704320.

The previous prime is 213031020011207. The next prime is 213031020011239. The reversal of 213031020011232 is 232110020130312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 213031020011199 and 213031020011208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213031020011239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23607156394 + ... + 23607165417.

It is an arithmetic number, because the mean of its divisors is an integer number (11898009096624).

Almost surely, 2^{213031020011232} is an apocalyptic number.

It is an amenable number.

213031020011232 is an abundant number, since it is smaller than the sum of its proper divisors (358073416626720).

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

213031020011232 is a wasteful number, since it uses less digits than its factorization.

213031020011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47214321871 (or 47214321863 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213031020011232 its reverse (232110020130312), we get a palindrome (445141040141544).

The spelling of 213031020011232 in words is "two hundred thirteen trillion, thirty-one billion, twenty million, eleven thousand, two hundred thirty-two".