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1011130231320 = 2332511263970859
BaseRepresentation
bin11101011011011000000…
…11101110101000011000
310120122220101220202111200
432231230003232220120
5113031243314400240
62052301245554200
7133023515105016
oct16555403565030
93518811822450
101011130231320
1135a8aa723480
12143b69575960
1374470190031
1436d207378b6
151b47d97c930
hexeb6c0eea18

1011130231320 has 192 divisors, whose sum is σ = 3598550841600. Its totient is φ = 244190204160.

The previous prime is 1011130231207. The next prime is 1011130231357. The reversal of 1011130231320 is 231320311101.

1011130231320 is a `hidden beast` number, since 1 + 0 + 1 + 11 + 302 + 31 + 320 = 666.

1011130231320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1011130231293 and 1011130231302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 556051 + ... + 1526909.

It is an arithmetic number, because the mean of its divisors is an integer number (18742452300).

Almost surely, 21011130231320 is an apocalyptic number.

1011130231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011130231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799275420800).

1011130231320 is an abundant number, since it is smaller than the sum of its proper divisors (2587420610280).

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

1011130231320 is a wasteful number, since it uses less digits than its factorization.

1011130231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971150 (or 971143 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1011130231320 its reverse (231320311101), we get a palindrome (1242450542421).

The spelling of 1011130231320 in words is "one trillion, eleven billion, one hundred thirty million, two hundred thirty-one thousand, three hundred twenty".