311152100103 has 96 divisors (see below), whose sum is σ = 510732768000. Its totient is φ = 182319081984.

The previous prime is 311152100047. The next prime is 311152100143. The reversal of 311152100103 is 301001251113.

311152100103 is a `hidden beast` number, since 31 + 11 + 521 + 0 + 0 + 103 = 666.

It is not a de Polignac number, because 311152100103 - 2¹⁰ = 311152099079 is a prime.

It is a super-2 number, since 2×311152100103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311152100143) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34380723 + ... + 34389771.

It is an arithmetic number, because the mean of its divisors is an integer number (5320133000).

Almost surely, 2^311152100103 is an apocalyptic number.

311152100103 is a deficient number, since it is larger than the sum of its proper divisors (199580667897).

311152100103 is a wasteful number, since it uses less digits than its factorization.

311152100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9178 (or 9149 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 311152100103 its reverse (301001251113), we get a palindrome (612153351216).

The spelling of 311152100103 in words is "three hundred eleven billion, one hundred fifty-two million, one hundred thousand, one hundred three".