311455341712 has 20 divisors (see below), whose sum is σ = 603789014380. Its totient is φ = 155638821888.

The previous prime is 311455341689. The next prime is 311455341761. The reversal of 311455341712 is 217143554113.

It can be written as a sum of positive squares in 2 ways, for example, as 138678780816 + 172776560896 = 372396^2 + 415664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5524137 + ... + 5580232.

It is an arithmetic number, because the mean of its divisors is an integer number (30189450719).

Almost surely, 2^311455341712 is an apocalyptic number.

It is an amenable number.

311455341712 is a deficient number, since it is larger than the sum of its proper divisors (292333672668).

311455341712 is a wasteful number, since it uses less digits than its factorization.

311455341712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106130 (or 11106124 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

Adding to 311455341712 its reverse (217143554113), we get a palindrome (528598895825).

The spelling of 311455341712 in words is "three hundred eleven billion, four hundred fifty-five million, three hundred forty-one thousand, seven hundred twelve".