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102311123133 = 31031166719843
BaseRepresentation
bin101111101001000110…
…1111101100010111101
3100210002020102120011210
41133102031331202331
53134013121420013
6115000122235033
710251236124552
oct1372215754275
9323066376153
10102311123133
113a431a6411a
12179b3955a79
13985657a71b
144d47d86a29
1529dc0a6cc3
hex17d237d8bd

102311123133 has 16 divisors (see below), whose sum is σ = 136635941376. Its totient is φ = 68096950320.

The previous prime is 102311123087. The next prime is 102311123149. The reversal of 102311123133 is 331321113201.

It is a happy number.

It is not a de Polignac number, because 102311123133 - 29 = 102311122621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102311123633) 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 15 ways as a sum of consecutive naturals, for example, 5146110 + ... + 5165952.

It is an arithmetic number, because the mean of its divisors is an integer number (8539746336).

Almost surely, 2102311123133 is an apocalyptic number.

It is an amenable number.

102311123133 is a deficient number, since it is larger than the sum of its proper divisors (34324818243).

102311123133 is a wasteful number, since it uses less digits than its factorization.

102311123133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22544.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 102311123133 its reverse (331321113201), we get a palindrome (433632236334).

The spelling of 102311123133 in words is "one hundred two billion, three hundred eleven million, one hundred twenty-three thousand, one hundred thirty-three".

Divisors: 1 3 1031 1667 3093 5001 19843 59529 1718677 5156031 20458133 33078281 61374399 99234843 34103707711 102311123133