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131000042401121 = 3124411731178951
BaseRepresentation
bin11101110010010011010010…
…111111100010110101100001
3122011211111000012012220122202
4131302103102333202311201
5114132301041323313441
61142340331053142545
736410304112646105
oct3562232277426541
9564744005186582
10131000042401121
1138816895853773
121283882918aa55
13581333557843a
14244c6160c1905
1510229298d819b
hex7724d2fe2d61

131000042401121 has 8 divisors (see below), whose sum is σ = 135281248025088. Its totient is φ = 126722299140000.

The previous prime is 131000042401069. The next prime is 131000042401141. The reversal of 131000042401121 is 121104240000131.

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-131000042401121 is a prime.

It is a super-2 number, since 2×1310000424011212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131000042401093 and 131000042401102.

It is not an unprimeable number, because it can be changed into a prime (131000042401141) 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, 865513805 + ... + 865665146.

It is an arithmetic number, because the mean of its divisors is an integer number (16910156003136).

Almost surely, 2131000042401121 is an apocalyptic number.

It is an amenable number.

131000042401121 is a deficient number, since it is larger than the sum of its proper divisors (4281205623967).

131000042401121 is a wasteful number, since it uses less digits than its factorization.

131000042401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731181423.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 131000042401121 its reverse (121104240000131), we get a palindrome (252104282401252).

The spelling of 131000042401121 in words is "one hundred thirty-one trillion, forty-two million, four hundred one thousand, one hundred twenty-one".

Divisors: 1 31 2441 75671 1731178951 53666547481 4225807819391 131000042401121