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1131312242130 = 235729617973821
BaseRepresentation
bin10000011101100111011…
…101101101110111010010
311000011010002120110220020
4100131213131231313102
5122013411413222010
62223415003324310
7144506654252130
oct20354735556722
94004102513806
101131312242130
113a68722a3a54
1216330a220696
13828b3ca35b5
143ca81cdc750
151e6648d7470
hex1076776ddd2

1131312242130 has 256 divisors, whose sum is σ = 3267600860160. Its totient is φ = 245203660800.

The previous prime is 1131312242119. The next prime is 1131312242173. The reversal of 1131312242130 is 312422131311.

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 1131312242130.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 296075620 + ... + 296079440.

It is an arithmetic number, because the mean of its divisors is an integer number (12764065860).

Almost surely, 21131312242130 is an apocalyptic number.

1131312242130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131312242130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1633800430080).

1131312242130 is an abundant number, since it is smaller than the sum of its proper divisors (2136288618030).

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

1131312242130 is a wasteful number, since it uses less digits than its factorization.

1131312242130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1131312242130 its reverse (312422131311), we get a palindrome (1443734373441).

The spelling of 1131312242130 in words is "one trillion, one hundred thirty-one billion, three hundred twelve million, two hundred forty-two thousand, one hundred thirty".