311463423475381 has 8 divisors (see below), whose sum is σ = 329907993306840. Its totient is φ = 293032541641728.

The previous prime is 311463423475367. The next prime is 311463423475411. The reversal of 311463423475381 is 183574324364113.

It can be written as a sum of positive squares in 4 ways, for example, as 46824253980625 + 264639169494756 = 6842825^2 + 16267734^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 311463423475381 - 2¹¹ = 311463423473333 is a prime.

It is a super-2 number, since 2×311463423475381² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311463423475361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3421952596 + ... + 3422043613.

It is an arithmetic number, because the mean of its divisors is an integer number (41238499163355).

Almost surely, 2^{311463423475381} is an apocalyptic number.

It is an amenable number.

311463423475381 is a deficient number, since it is larger than the sum of its proper divisors (18444569831459).

311463423475381 is a wasteful number, since it uses less digits than its factorization.

311463423475381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843998903.

The product of its digits is 17418240, while the sum is 55.

The spelling of 311463423475381 in words is "three hundred eleven trillion, four hundred sixty-three billion, four hundred twenty-three million, four hundred seventy-five thousand, three hundred eighty-one".