Search a number
-
+
2312233131231 = 3229431249164953
BaseRepresentation
bin100001101001011011110…
…101011001110011011111
322012001021111120022222200
4201221123311121303133
5300340423140144411
64530120352342543
7326024202221142
oct41513365316337
98161244508880
102312233131231
118116813606a1
12314162244a53
1313a07291206a
147dcac578059
154022e60ce56
hex21a5bd59cdf

2312233131231 has 48 divisors (see below), whose sum is σ = 3538263300000. Its totient is φ = 1452548837376.

The previous prime is 2312233131181. The next prime is 2312233131259. The reversal of 2312233131231 is 1321313322132.

2312233131231 is a `hidden beast` number, since 2 + 3 + 1 + 223 + 313 + 123 + 1 = 666.

It is not a de Polignac number, because 2312233131231 - 29 = 2312233130719 is a prime.

It is a super-2 number, since 2×23122331312312 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312233131195 and 2312233131204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312233131281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13935051 + ... + 14100003.

It is an arithmetic number, because the mean of its divisors is an integer number (73713818750).

Almost surely, 22312233131231 is an apocalyptic number.

2312233131231 is a deficient number, since it is larger than the sum of its proper divisors (1226030168769).

2312233131231 is a wasteful number, since it uses less digits than its factorization.

2312233131231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166280 (or 166277 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 2312233131231 its reverse (1321313322132), we get a palindrome (3633546453363).

The spelling of 2312233131231 in words is "two trillion, three hundred twelve billion, two hundred thirty-three million, one hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 3 9 29 43 87 129 261 387 1247 1249 3741 3747 11223 11241 36221 53707 108663 161121 164953 325989 483363 494859 1484577 1557503 4672509 4783637 7092979 14017527 14350911 21278937 43052733 63836811 205696391 206026297 617089173 618078891 1851267519 1854236673 5974762613 8859130771 17924287839 26577392313 53772863517 79732176939 256914792359 770744377077 2312233131231