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1131310120001 = 6126968944489
BaseRepresentation
bin10000011101100111010…
…101100111110001000001
311000011002221120122212212
4100131213111213301001
5122013410342320001
62223414450031505
7144506630233145
oct20354725476101
94004087518785
101131310120001
113a6871084626
12163309578595
13828b370c6b9
143ca81909225
151e6646187bb
hex10767567c41

1131310120001 has 8 divisors (see below), whose sum is σ = 1154130762600. Its totient is φ = 1108627367040.

The previous prime is 1131310119913. The next prime is 1131310120013. The reversal of 1131310120001 is 1000210131311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25416011776 + 1105894108225 = 159424^2 + 1051615^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1131310120001 - 218 = 1131309857857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131310120021) 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, 34455836 + ... + 34488653.

It is an arithmetic number, because the mean of its divisors is an integer number (144266345325).

Almost surely, 21131310120001 is an apocalyptic number.

It is an amenable number.

1131310120001 is a deficient number, since it is larger than the sum of its proper divisors (22820642599).

1131310120001 is an equidigital number, since it uses as much as digits as its factorization.

1131310120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68944819.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1131310120001 its reverse (1000210131311), we get a palindrome (2131520251312).

The spelling of 1131310120001 in words is "one trillion, one hundred thirty-one billion, three hundred ten million, one hundred twenty thousand, one".

Divisors: 1 61 269 16409 68944489 4205613829 18546067541 1131310120001