311440320144332 has 6 divisors (see below), whose sum is σ = 545020560252588. Its totient is φ = 155720160072164.

The previous prime is 311440320144269. The next prime is 311440320144347. The reversal of 311440320144332 is 233441023044113.

It is a junction number, because it is equal to n+sod(n) for n = 311440320144292 and 311440320144301.

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 as a sum of consecutive naturals, namely, 38930040018038 + ... + 38930040018045.

It is an arithmetic number, because the mean of its divisors is an integer number (90836760042098).

Almost surely, 2^{311440320144332} is an apocalyptic number.

It is an amenable number.

311440320144332 is a deficient number, since it is larger than the sum of its proper divisors (233580240108256).

311440320144332 is a wasteful number, since it uses less digits than its factorization.

311440320144332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77860080036087 (or 77860080036085 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 311440320144332 its reverse (233441023044113), we get a palindrome (544881343188445).

The spelling of 311440320144332 in words is "three hundred eleven trillion, four hundred forty billion, three hundred twenty million, one hundred forty-four thousand, three hundred thirty-two".