231032322120 has 32 divisors (see below), whose sum is σ = 693096966720. Its totient is φ = 61608619200.

The previous prime is 231032322107. The next prime is 231032322139. The reversal of 231032322120 is 21223230132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962634556 + ... + 962634795.

It is an arithmetic number, because the mean of its divisors is an integer number (21659280210).

Almost surely, 2^231032322120 is an apocalyptic number.

231032322120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231032322120 is an abundant number, since it is smaller than the sum of its proper divisors (462064644600).

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

231032322120 is a wasteful number, since it uses less digits than its factorization.

231032322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925269365 (or 1925269361 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231032322120 its reverse (21223230132), we get a palindrome (252255552252).

The spelling of 231032322120 in words is "two hundred thirty-one billion, thirty-two million, three hundred twenty-two thousand, one hundred twenty".