231323133210210 has 64 divisors (see below), whose sum is σ = 617121859685760. Its totient is φ = 61660151743680.

The previous prime is 231323133210173. The next prime is 231323133210269. The reversal of 231323133210210 is 12012331323132.

231323133210210 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 2 + 313 + 321 + 0 + 21 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180033037 + ... + 181313376.

It is an arithmetic number, because the mean of its divisors is an integer number (9642529057590).

Almost surely, 2^{231323133210210} is an apocalyptic number.

231323133210210 is an abundant number, since it is smaller than the sum of its proper divisors (385798726475550).

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

231323133210210 is a wasteful number, since it uses less digits than its factorization.

231323133210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361348800 (or 361348794 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 231323133210210 its reverse (12012331323132), we get a palindrome (243335464533342).

The spelling of 231323133210210 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, one hundred thirty-three million, two hundred ten thousand, two hundred ten".