Search a number
-
+
210313101231 = 321131499137957
BaseRepresentation
bin1100001111011110100…
…0110011111110101111
3202002212002012111202200
43003313220303332233
511421210123214411
6240341055352543
721123516602352
oct3036750637657
9662762174680
10210313101231
1181214298862
1234915522753
1316aa8b4373c
14a271a68299
15570da7ce56
hex30f7a33faf

210313101231 has 24 divisors (see below), whose sum is σ = 306680634000. Its totient is φ = 138874235136.

The previous prime is 210313101209. The next prime is 210313101241. The reversal of 210313101231 is 132101313012.

210313101231 is a `hidden beast` number, since 21 + 0 + 313 + 101 + 231 = 666.

It is not a de Polignac number, because 210313101231 - 29 = 210313100719 is a prime.

It is a super-2 number, since 2×2103131012312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210313101241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1455505 + ... + 1593461.

It is an arithmetic number, because the mean of its divisors is an integer number (12778359750).

Almost surely, 2210313101231 is an apocalyptic number.

210313101231 is a deficient number, since it is larger than the sum of its proper divisors (96367532769).

210313101231 is a wasteful number, since it uses less digits than its factorization.

210313101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139575 (or 139572 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 210313101231 its reverse (132101313012), we get a palindrome (342414414243).

The spelling of 210313101231 in words is "two hundred ten billion, three hundred thirteen million, one hundred one thousand, two hundred thirty-one".

Divisors: 1 3 9 113 339 1017 1499 4497 13491 137957 169387 413871 508161 1241613 1524483 15589141 46767423 140302269 206797543 620392629 1861177887 23368122359 70104367077 210313101231