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1031130012330 = 23251159109161957
BaseRepresentation
bin11110000000101000010…
…00110101101010101010
310122120112020000220100200
433000110020311222222
5113343223240343310
62105410010413030
7134332235330325
oct17002410655252
93576466026320
101031130012330
11368333012a10
12147a0b431176
13763097bc092
1437c9a9a37bc
151bc4e6a39c0
hexf014235aaa

1031130012330 has 192 divisors, whose sum is σ = 3001535222400. Its totient is φ = 243478172160.

The previous prime is 1031130012313. The next prime is 1031130012383. The reversal of 1031130012330 is 332100311301.

It is a happy number.

1031130012330 is a `hidden beast` number, since 1 + 0 + 31 + 1 + 300 + 1 + 2 + 330 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6285712 + ... + 6447668.

It is an arithmetic number, because the mean of its divisors is an integer number (15632995950).

Almost surely, 21031130012330 is an apocalyptic number.

1031130012330 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 1031130012330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500767611200).

1031130012330 is an abundant number, since it is smaller than the sum of its proper divisors (1970405210070).

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

1031130012330 is a wasteful number, since it uses less digits than its factorization.

1031130012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162149 (or 162146 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1031130012330 its reverse (332100311301), we get a palindrome (1363230323631).

The spelling of 1031130012330 in words is "one trillion, thirty-one billion, one hundred thirty million, twelve thousand, three hundred thirty".