Search a number
-
+
131233100201 = 7108717247089
BaseRepresentation
bin111101000111000011…
…0100011000110101001
3110112201212020020002122
41322032012203012221
54122231133201301
6140142044441025
712324035642450
oct1721606430651
9415655206078
10131233100201
1150723733605
1221525849175
13c4b54b8118
1464cd173b97
15363123b81b
hex1e8e1a31a9

131233100201 has 8 divisors (see below), whose sum is σ = 150118671360. Its totient is φ = 112382025408.

The previous prime is 131233100171. The next prime is 131233100249. The reversal of 131233100201 is 102001332131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131233100201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131233100201.

It is not an unprimeable number, because it can be changed into a prime (131233100291) 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, 8615936 + ... + 8631153.

It is an arithmetic number, because the mean of its divisors is an integer number (18764833920).

Almost surely, 2131233100201 is an apocalyptic number.

It is an amenable number.

131233100201 is a deficient number, since it is larger than the sum of its proper divisors (18885571159).

131233100201 is a wasteful number, since it uses less digits than its factorization.

131233100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17248183.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131233100201 its reverse (102001332131), we get a palindrome (233234432332).

The spelling of 131233100201 in words is "one hundred thirty-one billion, two hundred thirty-three million, one hundred thousand, two hundred one".

Divisors: 1 7 1087 7609 17247089 120729623 18747585743 131233100201