Search a number
-
+
32313130312231 is a prime number
BaseRepresentation
bin1110101100011011111001…
…01001110110001000100111
311020102002211121110121102201
413112031330221312020213
513213404242324442411
6152420240325315331
76543355330545406
oct726157451661047
9136362747417381
1032313130312231
11a328a1572904a
12375a601b65b47
131505165b9b832
147d9d6cb4963d
153b08130583c1
hex1d637ca76227

32313130312231 has 2 divisors, whose sum is σ = 32313130312232. Its totient is φ = 32313130312230.

The previous prime is 32313130312213. The next prime is 32313130312241. The reversal of 32313130312231 is 13221303131323.

It is a happy number.

Together with previous prime (32313130312213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32313130312231 - 29 = 32313130311719 is a prime.

It is a super-2 number, since 2×323131303122312 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32313130312231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32313130312241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16156565156115 + 16156565156116.

It is an arithmetic number, because the mean of its divisors is an integer number (16156565156116).

Almost surely, 232313130312231 is an apocalyptic number.

32313130312231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32313130312231 is an equidigital number, since it uses as much as digits as its factorization.

32313130312231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 32313130312231 its reverse (13221303131323), we get a palindrome (45534433443554).

The spelling of 32313130312231 in words is "thirty-two trillion, three hundred thirteen billion, one hundred thirty million, three hundred twelve thousand, two hundred thirty-one".