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131120311110 = 2354370677037
BaseRepresentation
bin111101000011101100…
…0010010101101000110
3110112102222222221112220
41322013120102231012
54122013244423420
6140122535153210
712321166153335
oct1720730225506
9415388887486
10131120311110
1150675aa7488
12214b3b15806
13c498017409
1464bc1b3d1c
1536263ac840
hex1e87612b46

131120311110 has 16 divisors (see below), whose sum is σ = 314688746736. Its totient is φ = 34965416288.

The previous prime is 131120311103. The next prime is 131120311151. The reversal of 131120311110 is 11113021131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131120311110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2185338489 + ... + 2185338548.

It is an arithmetic number, because the mean of its divisors is an integer number (19668046671).

Almost surely, 2131120311110 is an apocalyptic number.

131120311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131120311110 is an abundant number, since it is smaller than the sum of its proper divisors (183568435626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131120311110 is a wasteful number, since it uses less digits than its factorization.

131120311110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370677047.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 131120311110 its reverse (11113021131), we get a palindrome (142233332241).

The spelling of 131120311110 in words is "one hundred thirty-one billion, one hundred twenty million, three hundred eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 4370677037 8741354074 13112031111 21853385185 26224062222 43706770370 65560155555 131120311110