Search a number
-
+
231123111201202 = 21110505595963691
BaseRepresentation
bin110100100011010010001010…
…111100010100100110110010
31010022100011011000012020202011
4310203102022330110212302
5220243210112431414302
62135320254055313134
766453044103504643
oct6443221274244662
91108304130166664
10231123111201202
11677088409a6980
1221b0925a37b7aa
139bc6a7b5cb57c
1441105bda316ca
151bac0987925d7
hexd2348af149b2

231123111201202 has 8 divisors (see below), whose sum is σ = 378201454692912. Its totient is φ = 105055959636900.

The previous prime is 231123111201187. The next prime is 231123111201217. The reversal of 231123111201202 is 202102111321132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231123111201187) and next prime (231123111201217).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10505595963691 = 231123111201202 / (2 + 3 + 1 + 1 + 2 + 3 + 1 + 1 + 1 + 2 + 0 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252797981824 + ... + 5252797981867.

It is an arithmetic number, because the mean of its divisors is an integer number (47275181836614).

Almost surely, 2231123111201202 is an apocalyptic number.

231123111201202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231123111201202 is a deficient number, since it is larger than the sum of its proper divisors (147078343491710).

231123111201202 is a wasteful number, since it uses less digits than its factorization.

231123111201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505595963704.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 231123111201202 its reverse (202102111321132), we get a palindrome (433225222522334).

The spelling of 231123111201202 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, one hundred eleven million, two hundred one thousand, two hundred two".

Divisors: 1 2 11 22 10505595963691 21011191927382 115561555600601 231123111201202