311302230032 has 10 divisors (see below), whose sum is σ = 603148070718. Its totient is φ = 155651115008.

The previous prime is 311302229981. The next prime is 311302230037. The reversal of 311302230032 is 230032203113.

It can be written as a sum of positive squares in only one way, i.e., 178526530576 + 132775699456 = 422524^2 + 364384^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311302229986 and 311302230013.

It is not an unprimeable number, because it can be changed into a prime (311302230037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9728194673 + ... + 9728194704.

Almost surely, 2^311302230032 is an apocalyptic number.

It is an amenable number.

311302230032 is a deficient number, since it is larger than the sum of its proper divisors (291845840686).

311302230032 is a wasteful number, since it uses less digits than its factorization.

311302230032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19456389385 (or 19456389379 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 311302230032 its reverse (230032203113), we get a palindrome (541334433145).

The spelling of 311302230032 in words is "three hundred eleven billion, three hundred two million, two hundred thirty thousand, thirty-two".