Search a number
-
+
131044332321121 = 1491108379355063
BaseRepresentation
bin11101110010111100100010…
…111000001011100101100001
3122011222201022211111222002011
4131302330202320023211201
5114134012243033233441
61142412533555552521
736413432501031232
oct3562744270134541
9564881284458064
10131044332321121
113883365330513a
12128453298bb741
13581757332b0ab
142450818311089
151023b6cd12581
hex772f22e0b961

131044332321121 has 8 divisors (see below), whose sum is σ = 131935729406400. Its totient is φ = 130153093968432.

The previous prime is 131044332321017. The next prime is 131044332321157. The reversal of 131044332321121 is 121123233440131.

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 131044332321121 - 211 = 131044332319073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131044332328121) 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, 38026165 + ... + 41328898.

It is an arithmetic number, because the mean of its divisors is an integer number (16491966175800).

Almost surely, 2131044332321121 is an apocalyptic number.

It is an amenable number.

131044332321121 is a deficient number, since it is larger than the sum of its proper divisors (891397085279).

131044332321121 is a wasteful number, since it uses less digits than its factorization.

131044332321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79366295.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 131044332321121 its reverse (121123233440131), we get a palindrome (252167565761252).

The spelling of 131044332321121 in words is "one hundred thirty-one trillion, forty-four billion, three hundred thirty-two million, three hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 149 11083 1651367 79355063 11823904387 879492163229 131044332321121