320251144232 has 16 divisors (see below), whose sum is σ = 619840924800. Its totient is φ = 154960230960.

The previous prime is 320251144229. The next prime is 320251144249. The reversal of 320251144232 is 232441152023.

It is a junction number, because it is equal to n+sod(n) for n = 320251144195 and 320251144204.

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, 645667382 + ... + 645667877.

It is an arithmetic number, because the mean of its divisors is an integer number (38740057800).

Almost surely, 2^320251144232 is an apocalyptic number.

It is an amenable number.

320251144232 is a deficient number, since it is larger than the sum of its proper divisors (299589780568).

320251144232 is a wasteful number, since it uses less digits than its factorization.

320251144232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291335296 (or 1291335292 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 320251144232 its reverse (232441152023), we get a palindrome (552692296255).

The spelling of 320251144232 in words is "three hundred twenty billion, two hundred fifty-one million, one hundred forty-four thousand, two hundred thirty-two".