311020330103013 has 32 divisors (see below), whose sum is σ = 435535025702400. Its totient is φ = 197191049909760.

The previous prime is 311020330102921. The next prime is 311020330103023. The reversal of 311020330103013 is 310301033020113.

It is not a de Polignac number, because 311020330103013 - 2¹³ = 311020330094821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311020330103023) 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 31 ways as a sum of consecutive naturals, for example, 35199838 + ... + 43140111.

It is an arithmetic number, because the mean of its divisors is an integer number (13610469553200).

Almost surely, 2^{311020330103013} is an apocalyptic number.

It is an amenable number.

311020330103013 is a deficient number, since it is larger than the sum of its proper divisors (124514695599387).

311020330103013 is a wasteful number, since it uses less digits than its factorization.

311020330103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78340797.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 311020330103013 its reverse (310301033020113), we get a palindrome (621321363123126).

It can be divided in two parts, 311020 and 330103013, that added together give a palindrome (330414033).

The spelling of 311020330103013 in words is "three hundred eleven trillion, twenty billion, three hundred thirty million, one hundred three thousand, thirteen".