Search a number
-
+
110131201231 = 2321156939883
BaseRepresentation
bin110011010010001010…
…1001100010011001111
3101112021020021200121221
41212210111030103033
53301022041414411
6122332113504211
710646103523222
oct1464425142317
9345236250557
10110131201231
1142785212587
1219416872067
13a50174637c
14548a7b75b9
152ce88b2071
hex19a454c4cf

110131201231 has 16 divisors (see below), whose sum is σ = 115669981440. Its totient is φ = 104656749120.

The previous prime is 110131201217. The next prime is 110131201253. The reversal of 110131201231 is 132102131011.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-110131201231 is a prime.

It is a super-2 number, since 2×1101312012312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110131201331) 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, 2741416 + ... + 2781298.

It is an arithmetic number, because the mean of its divisors is an integer number (7229373840).

Almost surely, 2110131201231 is an apocalyptic number.

110131201231 is a deficient number, since it is larger than the sum of its proper divisors (5538780209).

110131201231 is a wasteful number, since it uses less digits than its factorization.

110131201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40686.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 110131201231 its reverse (132102131011), we get a palindrome (242233332242).

The spelling of 110131201231 in words is "one hundred ten billion, one hundred thirty-one million, two hundred one thousand, two hundred thirty-one".

Divisors: 1 23 211 569 4853 13087 39883 120059 917309 2761357 8415313 22693427 193552199 521948821 4788313097 110131201231