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1220103411131 = 11234822543127
BaseRepresentation
bin10001110000010011110…
…101001001010110111011
311022122022002211012122002
4101300103311021112323
5124442232433124011
62332301402251215
7154102204610063
oct21602365112673
94278262735562
101220103411131
11430496627460
1217856a1b6b0b
138b09452b957
14430a644c3a3
1521b0ea81c3b
hex11c13d495bb

1220103411131 has 8 divisors (see below), whose sum is σ = 1388892420864. Its totient is φ = 1060959487720.

The previous prime is 1220103411089. The next prime is 1220103411167. The reversal of 1220103411131 is 1311143010221.

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

It is not a de Polignac number, because 1220103411131 - 222 = 1220099216827 is a prime.

It is a super-2 number, since 2×12201034111312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220103410131) 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, 2411271311 + ... + 2411271816.

It is an arithmetic number, because the mean of its divisors is an integer number (173611552608).

Almost surely, 21220103411131 is an apocalyptic number.

1220103411131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1220103411131 is a deficient number, since it is larger than the sum of its proper divisors (168789009733).

1220103411131 is a wasteful number, since it uses less digits than its factorization.

1220103411131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822543161.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1220103411131 its reverse (1311143010221), we get a palindrome (2531246421352).

The spelling of 1220103411131 in words is "one trillion, two hundred twenty billion, one hundred three million, four hundred eleven thousand, one hundred thirty-one".

Divisors: 1 11 23 253 4822543127 53047974397 110918491921 1220103411131