331211312110313 has 4 divisors (see below), whose sum is σ = 331223343497940. Its totient is φ = 331199280722688.

The previous prime is 331211312110253. The next prime is 331211312110363. The reversal of 331211312110313 is 313011213112133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141248162035369 + 189963150074944 = 11884787^2 + 13782712^2 .

It is a cyclic number.

It is not a de Polignac number, because 331211312110313 - 2⁶ = 331211312110249 is a prime.

It is a super-3 number, since 3×331211312110313³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331211312110363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6015652520 + ... + 6015707577.

It is an arithmetic number, because the mean of its divisors is an integer number (82805835874485).

Almost surely, 2^{331211312110313} is an apocalyptic number.

It is an amenable number.

331211312110313 is a deficient number, since it is larger than the sum of its proper divisors (12031387627).

331211312110313 is a wasteful number, since it uses less digits than its factorization.

331211312110313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12031387626.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 331211312110313 its reverse (313011213112133), we get a palindrome (644222525222446).

The spelling of 331211312110313 in words is "three hundred thirty-one trillion, two hundred eleven billion, three hundred twelve million, one hundred ten thousand, three hundred thirteen".