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131103411212421 = 3224481595034749
BaseRepresentation
bin11101110011110011100100…
…010000010001000010000101
3122012012100211010212121020100
4131303303210100101002011
5114140444241232244141
61142500024201354313
736420623514232644
oct3563634420210205
9565170733777210
10131103411212421
113885670a85263a
1212854877198999
13581ccc9cb093b
14245362071135b
1510254797690b6
hex773ce4411085

131103411212421 has 12 divisors (see below), whose sum is σ = 189379329743500. Its totient is φ = 87398703786240.

The previous prime is 131103411212407. The next prime is 131103411212447. The reversal of 131103411212421 is 124212114301131.

131103411212421 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 0 + 3 + 411 + 2 + 1 + 242 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20907710525025 + 110195700687396 = 4572495^2 + 10497414^2 .

It is not a de Polignac number, because 131103411212421 - 246 = 60734667034757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103411712421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297297046 + ... + 297737703.

Almost surely, 2131103411212421 is an apocalyptic number.

It is an amenable number.

131103411212421 is a deficient number, since it is larger than the sum of its proper divisors (58275918531079).

131103411212421 is a wasteful number, since it uses less digits than its factorization.

131103411212421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595059236 (or 595059233 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 131103411212421 its reverse (124212114301131), we get a palindrome (255315525513552).

The spelling of 131103411212421 in words is "one hundred thirty-one trillion, one hundred three billion, four hundred eleven million, two hundred twelve thousand, four hundred twenty-one".

Divisors: 1 3 9 24481 73443 220329 595034749 1785104247 5355312741 14567045690269 43701137070807 131103411212421