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131130320113121 = 7107175073858629
BaseRepresentation
bin11101110100001100101000…
…001001100100110111100001
3122012021221021110201101112012
4131310030220021210313201
5114141414343422104441
61142520234252442305
736422565401144330
oct3564145011446741
9565257243641465
10131130320113121
1138867069163a4a
1212859b26a79395
1358226c7b460a4
142454a543dbd17
151026001d069eb
hex774328264de1

131130320113121 has 8 divisors (see below), whose sum is σ = 151263813856320. Its totient is φ = 111346974087408.

The previous prime is 131130320113097. The next prime is 131130320113123. The reversal of 131130320113121 is 121311023031131.

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-131130320113121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131130320113123) 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, 87536928566 + ... + 87536930063.

It is an arithmetic number, because the mean of its divisors is an integer number (18907976732040).

Almost surely, 2131130320113121 is an apocalyptic number.

It is an amenable number.

131130320113121 is a deficient number, since it is larger than the sum of its proper divisors (20133493743199).

131130320113121 is a wasteful number, since it uses less digits than its factorization.

131130320113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175073858743.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 131130320113121 its reverse (121311023031131), we get a palindrome (252441343144252).

The spelling of 131130320113121 in words is "one hundred thirty-one trillion, one hundred thirty billion, three hundred twenty million, one hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 7 107 749 175073858629 1225517010403 18732902873303 131130320113121