Search a number
-
+
23331031113 = 3138910961667
BaseRepresentation
bin10101101110101000…
…110100100001001001
32020012222110011220110
4111232220310201021
5340240220443423
614415040544533
71454110330605
oct255650644111
966188404813
1023331031113
119992838aa5
124631622149
13227a833370
1411b485c505
159183ed193
hex56ea34849

23331031113 has 32 divisors (see below), whose sum is σ = 34188739200. Its totient is φ = 14065767936.

The previous prime is 23331031109. The next prime is 23331031127. The reversal of 23331031113 is 31113013332.

It is not a de Polignac number, because 23331031113 - 22 = 23331031109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23331031113.

It is not an unprimeable number, because it can be changed into a prime (23331031313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347506 + ... + 409172.

It is an arithmetic number, because the mean of its divisors is an integer number (1068398100).

Almost surely, 223331031113 is an apocalyptic number.

It is an amenable number.

23331031113 is a deficient number, since it is larger than the sum of its proper divisors (10857708087).

23331031113 is a wasteful number, since it uses less digits than its factorization.

23331031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61881.

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

Adding to 23331031113 its reverse (31113013332), we get a palindrome (54444044445).

The spelling of 23331031113 in words is "twenty-three billion, three hundred thirty-one million, thirty-one thousand, one hundred thirteen".

Divisors: 1 3 13 39 89 109 267 327 1157 1417 3471 4251 9701 29103 61667 126113 185001 378339 801671 2405013 5488363 6721703 16465089 20165109 71348719 87382139 214046157 262146417 598231567 1794694701 7777010371 23331031113