Search a number
-
+
2353013231 = 17831918731
BaseRepresentation
bin1000110001000000…
…0010000111101111
320001222121110100012
42030100002013233
514304332410411
61025253123435
7112211165612
oct21420020757
96058543305
102353013231
11aa823a738
1255802957b
132b6646c2a
1418470c179
15db89418b
hex8c4021ef

2353013231 has 16 divisors (see below), whose sum is σ = 2534934528. Its totient is φ = 2176214400.

The previous prime is 2353013203. The next prime is 2353013233. The reversal of 2353013231 is 1323103532.

It is a cyclic number.

It is not a de Polignac number, because 2353013231 - 26 = 2353013167 is a prime.

It is a super-2 number, since 2×23530132312 = 11073342530522118722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2353013197 and 2353013206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2353013233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265136 + ... + 273866.

It is an arithmetic number, because the mean of its divisors is an integer number (158433408).

Almost surely, 22353013231 is an apocalyptic number.

2353013231 is a deficient number, since it is larger than the sum of its proper divisors (181921297).

2353013231 is a wasteful number, since it uses less digits than its factorization.

2353013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 2353013231 is about 48507.8677226695. The cubic root of 2353013231 is about 1330.0708935772.

Adding to 2353013231 its reverse (1323103532), we get a palindrome (3676116763).

The spelling of 2353013231 in words is "two billion, three hundred fifty-three million, thirteen thousand, two hundred thirty-one".

Divisors: 1 17 83 191 1411 3247 8731 15853 148427 269501 724673 1667621 12319441 28349557 138412543 2353013231