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131120304213433 = 645120325578083
BaseRepresentation
bin11101110100000011010011…
…001001111100110110111001
3122012020222102110000222010111
4131310003103021330312321
5114141233340334312213
61142511500341144321
736422062241331523
oct3564032311746671
9565228373028114
10131120304213433
113886289947a2a7
1212857bb06bb0a1
13582178ca7c922
1424543840daa13
151025b17857a3d
hex7740d327cdb9

131120304213433 has 4 divisors (see below), whose sum is σ = 131140629797968. Its totient is φ = 131099978628900.

The previous prime is 131120304213397. The next prime is 131120304213439. The reversal of 131120304213433 is 334312403021131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131120304213433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131120304213395 and 131120304213404.

It is not an unprimeable number, because it can be changed into a prime (131120304213439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10162782591 + ... + 10162795492.

It is an arithmetic number, because the mean of its divisors is an integer number (32785157449492).

Almost surely, 2131120304213433 is an apocalyptic number.

It is an amenable number.

131120304213433 is a deficient number, since it is larger than the sum of its proper divisors (20325584535).

131120304213433 is an equidigital number, since it uses as much as digits as its factorization.

131120304213433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20325584534.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 131120304213433 its reverse (334312403021131), we get a palindrome (465432707234564).

The spelling of 131120304213433 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred four million, two hundred thirteen thousand, four hundred thirty-three".

Divisors: 1 6451 20325578083 131120304213433