311140520332 has 12 divisors (see below), whose sum is σ = 546140915656. Its totient is φ = 155100258720.

The previous prime is 311140520303. The next prime is 311140520351. The reversal of 311140520332 is 233025041113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311140520297 and 311140520306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117498873 + ... + 117501520.

Almost surely, 2^311140520332 is an apocalyptic number.

It is an amenable number.

311140520332 is a deficient number, since it is larger than the sum of its proper divisors (235000395324).

311140520332 is a wasteful number, since it uses less digits than its factorization.

311140520332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235000728 (or 235000726 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 311140520332 its reverse (233025041113), we get a palindrome (544165561445).

The spelling of 311140520332 in words is "three hundred eleven billion, one hundred forty million, five hundred twenty thousand, three hundred thirty-two".