Search a number
-
+
3101323013231 = 3119972099721
BaseRepresentation
bin101101001000010101010…
…000011010110001101111
3101222111001112101122122212
4231020111100122301233
5401303002142410411
610332421135201035
7440030450442032
oct55102520326157
911874045348585
103101323013231
11a96299a98243
1242108297617b
131965b84743c1
14aa167949019
1555a14bb768b
hex2d21541ac6f

3101323013231 has 4 divisors (see below), whose sum is σ = 3111295113264. Its totient is φ = 3091350913200.

The previous prime is 3101323013179. The next prime is 3101323013237. The reversal of 3101323013231 is 1323103231013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3101323013231 - 26 = 3101323013167 is a prime.

It is a super-2 number, since 2×31013230132312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3101323013197 and 3101323013206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101323013237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4986049550 + ... + 4986050171.

It is an arithmetic number, because the mean of its divisors is an integer number (777823778316).

Almost surely, 23101323013231 is an apocalyptic number.

3101323013231 is a deficient number, since it is larger than the sum of its proper divisors (9972100033).

3101323013231 is an equidigital number, since it uses as much as digits as its factorization.

3101323013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9972100032.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 3101323013231 its reverse (1323103231013), we get a palindrome (4424426244244).

The spelling of 3101323013231 in words is "three trillion, one hundred one billion, three hundred twenty-three million, thirteen thousand, two hundred thirty-one".

Divisors: 1 311 9972099721 3101323013231