231213332013200 has 30 divisors (see below), whose sum is σ = 555490030162674. Its totient is φ = 92485332805120.

The previous prime is 231213332013161. The next prime is 231213332013283. The reversal of 231213332013200 is 2310233312132.

It can be written as a sum of positive squares in 3 ways, for example, as 6397014509824 + 224816317503376 = 2529232^2 + 14993876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231213332013200.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 289016664617 + ... + 289016665416.

Almost surely, 2^{231213332013200} is an apocalyptic number.

231213332013200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231213332013200 is an abundant number, since it is smaller than the sum of its proper divisors (324276698149474).

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

231213332013200 is a wasteful number, since it uses less digits than its factorization.

231213332013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578033330051 (or 578033330040 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 231213332013200 its reverse (2310233312132), we get a palindrome (233523565325332).

The spelling of 231213332013200 in words is "two hundred thirty-one trillion, two hundred thirteen billion, three hundred thirty-two million, thirteen thousand, two hundred".