Search a number
-
+
3145326231 = 31975322041
BaseRepresentation
bin1011101101111001…
…1101111010010111
322010012111010110010
42323132131322113
522420200414411
61240035131303
7140641555215
oct27336357227
98105433403
103145326231
111374500173
12739443b33
133b1837ca8
1421ba35cb5
151361ed7a6
hexbb79de97

3145326231 has 8 divisors (see below), whose sum is σ = 4215057264. Its totient is φ = 2086239680.

The previous prime is 3145326227. The next prime is 3145326259. The reversal of 3145326231 is 1326235413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3145326231 - 22 = 3145326227 is a prime.

It is a super-2 number, since 2×31453262312 = 19786154198833330722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145326271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2660430 + ... + 2661611.

It is an arithmetic number, because the mean of its divisors is an integer number (526882158).

Almost surely, 23145326231 is an apocalyptic number.

3145326231 is a deficient number, since it is larger than the sum of its proper divisors (1069731033).

3145326231 is a wasteful number, since it uses less digits than its factorization.

3145326231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322241.

The product of its digits is 12960, while the sum is 30.

The square root of 3145326231 is about 56083.2081018909. The cubic root of 3145326231 is about 1465.1718484319.

The spelling of 3145326231 in words is "three billion, one hundred forty-five million, three hundred twenty-six thousand, two hundred thirty-one".

Divisors: 1 3 197 591 5322041 15966123 1048442077 3145326231