231331130322 has 8 divisors (see below), whose sum is σ = 462662260656. Its totient is φ = 77110376772.

The previous prime is 231331130291. The next prime is 231331130357. The reversal of 231331130322 is 223031133132.

It is a sphenic number, since it is the product of 3 distinct primes.

231331130322 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 231331130292 and 231331130301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19277594188 + ... + 19277594199.

It is an arithmetic number, because the mean of its divisors is an integer number (57832782582).

Almost surely, 2^231331130322 is an apocalyptic number.

231331130322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231331130322 is a wasteful number, since it uses less digits than its factorization.

231331130322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38555188392.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 231331130322 its reverse (223031133132), we get a palindrome (454362263454).

The spelling of 231331130322 in words is "two hundred thirty-one billion, three hundred thirty-one million, one hundred thirty thousand, three hundred twenty-two".