231323322213330 has 32 divisors (see below), whose sum is σ = 555306511114944. Its totient is φ = 61671715056576.

The previous prime is 231323322213299. The next prime is 231323322213337. The reversal of 231323322213330 is 33312223323132.

It is a super-2 number, since 2×231323322213330² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231323322213291 and 231323322213300.

It is not an unprimeable number, because it can be changed into a prime (231323322213337) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 906382804 + ... + 906637983.

It is an arithmetic number, because the mean of its divisors is an integer number (17353328472342).

Almost surely, 2^{231323322213330} is an apocalyptic number.

231323322213330 is an abundant number, since it is smaller than the sum of its proper divisors (323983188901614).

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

231323322213330 is a wasteful number, since it uses less digits than its factorization.

231323322213330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813025050.

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 231323322213330 its reverse (33312223323132), we get a palindrome (264635545536462).

The spelling of 231323322213330 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, three hundred twenty-two million, two hundred thirteen thousand, three hundred thirty".