320230132 has 6 divisors (see below), whose sum is σ = 560402738. Its totient is φ = 160115064.

The previous prime is 320230103. The next prime is 320230133. The reversal of 320230132 is 231032023.

It can be written as a sum of positive squares in only one way, i.e., 318051556 + 2178576 = 17834^2 + 1476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320230133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40028763 + ... + 40028770.

Almost surely, 2^320230132 is an apocalyptic number.

It is an amenable number.

320230132 is a deficient number, since it is larger than the sum of its proper divisors (240172606).

320230132 is a wasteful number, since it uses less digits than its factorization.

320230132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80057537 (or 80057535 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 320230132 is about 17894.9750488789. The cubic root of 320230132 is about 684.1543061237.

Adding to 320230132 its reverse (231032023), we get a palindrome (551262155).

The spelling of 320230132 in words is "three hundred twenty million, two hundred thirty thousand, one hundred thirty-two".