311103320102133 has 16 divisors (see below), whose sum is σ = 462116337553920. Its totient is φ = 184846535020224.

The previous prime is 311103320102053. The next prime is 311103320102161. The reversal of 311103320102133 is 331201023301113.

It is not a de Polignac number, because 311103320102133 - 2¹³ = 311103320093941 is a prime.

It is a super-2 number, since 2×311103320102133² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311103320102633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137534623141 + ... + 137534625402.

It is an arithmetic number, because the mean of its divisors is an integer number (28882271097120).

Almost surely, 2^{311103320102133} is an apocalyptic number.

It is an amenable number.

311103320102133 is a deficient number, since it is larger than the sum of its proper divisors (151013017451787).

311103320102133 is a wasteful number, since it uses less digits than its factorization.

311103320102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275069248588.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 311103320102133 its reverse (331201023301113), we get a palindrome (642304343403246).

The spelling of 311103320102133 in words is "three hundred eleven trillion, one hundred three billion, three hundred twenty million, one hundred two thousand, one hundred thirty-three".