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131020204001122 = 2179703136454631
BaseRepresentation
bin11101110010100110000100…
…101101111100011101100010
3122011220102001021211022102201
4131302212010231330131202
5114133113334211013442
61142353503434203414
736411616536505042
oct3562460455743542
9564812037738381
10131020204001122
11388243a1518207
121284071528356a
1358151c9583b77
14244d5a9a31722
1510232099257b7
hex772984b7c762

131020204001122 has 8 divisors (see below), whose sum is σ = 196530420756672. Its totient is φ = 65510063748900.

The previous prime is 131020204001107. The next prime is 131020204001123. The reversal of 131020204001122 is 221100402020131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131020204001122.

It is not an unprimeable number, because it can be changed into a prime (131020204001123) 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, 14633254 + ... + 21821377.

It is an arithmetic number, because the mean of its divisors is an integer number (24566302594584).

Almost surely, 2131020204001122 is an apocalyptic number.

131020204001122 is a deficient number, since it is larger than the sum of its proper divisors (65510216755550).

131020204001122 is a wasteful number, since it uses less digits than its factorization.

131020204001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38251664.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 131020204001122 its reverse (221100402020131), we get a palindrome (352120606021253).

The spelling of 131020204001122 in words is "one hundred thirty-one trillion, twenty billion, two hundred four million, one thousand, one hundred twenty-two".

Divisors: 1 2 1797031 3594062 36454631 72909262 65510102000561 131020204001122