231302032120 has 32 divisors (see below), whose sum is σ = 520453558800. Its totient is φ = 92516548608.

The previous prime is 231302032103. The next prime is 231302032133. The reversal of 231302032120 is 21230203132.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 831736 + ... + 1074424.

Almost surely, 2^231302032120 is an apocalyptic number.

231302032120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231302032120 is an abundant number, since it is smaller than the sum of its proper divisors (289151526680).

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

231302032120 is a wasteful number, since it uses less digits than its factorization.

231302032120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266527 (or 266523 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231302032120 its reverse (21230203132), we get a palindrome (252532235252).

The spelling of 231302032120 in words is "two hundred thirty-one billion, three hundred two million, thirty-two thousand, one hundred twenty".