Search a number
-
+
131013168247 = 1345232228153
BaseRepresentation
bin111101000000011111…
…1100100110001110111
3110112011112101112011201
41322000333210301313
54121303332340442
6140104150513331
712315425361433
oct1720077446167
9415145345151
10131013168247
1150620577465
1221484065847
13c47ba72680
1464abc839c3
15361bc967b7
hex1e80fe4c77

131013168247 has 8 divisors (see below), whose sum is σ = 141122361744. Its totient is φ = 120908440128.

The previous prime is 131013168241. The next prime is 131013168259. The reversal of 131013168247 is 742861310131.

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 131013168247 - 219 = 131012643959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013168241) 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, 1055278 + ... + 1172875.

It is an arithmetic number, because the mean of its divisors is an integer number (17640295218).

Almost surely, 2131013168247 is an apocalyptic number.

131013168247 is a deficient number, since it is larger than the sum of its proper divisors (10109193497).

131013168247 is a wasteful number, since it uses less digits than its factorization.

131013168247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232689.

The product of its (nonzero) digits is 24192, while the sum is 37.

Adding to 131013168247 its reverse (742861310131), we get a palindrome (873874478378).

The spelling of 131013168247 in words is "one hundred thirty-one billion, thirteen million, one hundred sixty-eight thousand, two hundred forty-seven".

Divisors: 1 13 4523 58799 2228153 28965989 10077936019 131013168247