311440132232331 has 8 divisors (see below), whose sum is σ = 415253597600400. Its totient is φ = 207626710842912.

The previous prime is 311440132232227. The next prime is 311440132232363. The reversal of 311440132232331 is 133232231044113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311440132232331 - 2¹⁰ = 311440132231307 is a prime.

It is a super-2 number, since 2×311440132232331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311440132232292 and 311440132232301.

It is not an unprimeable number, because it can be changed into a prime (311440132232381) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 13026445 + ... + 28152593.

It is an arithmetic number, because the mean of its divisors is an integer number (51906699700050).

Almost surely, 2^{311440132232331} is an apocalyptic number.

311440132232331 is a deficient number, since it is larger than the sum of its proper divisors (103813465368069).

311440132232331 is a wasteful number, since it uses less digits than its factorization.

311440132232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21989325.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 311440132232331 its reverse (133232231044113), we get a palindrome (444672363276444).

The spelling of 311440132232331 in words is "three hundred eleven trillion, four hundred forty billion, one hundred thirty-two million, two hundred thirty-two thousand, three hundred thirty-one".