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1001131011210 = 2351122313199091
BaseRepresentation
bin11101001000110000000…
…11101110110010001010
310112201002112121202012010
432210120003232302022
5112400304014324320
62043525132000350
7132220650121551
oct16443003566212
93481075552163
101001131011210
113566393a1400
121420389000b6
13735386b6845
1436652738d98
151b095bc5ae0
hexe9180eec8a

1001131011210 has 192 divisors, whose sum is σ = 2758218946560. Its totient is φ = 231944803200.

The previous prime is 1001131011163. The next prime is 1001131011259. The reversal of 1001131011210 is 121101311001.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 110118765 + ... + 110127855.

It is an arithmetic number, because the mean of its divisors is an integer number (14365723680).

Almost surely, 21001131011210 is an apocalyptic number.

1001131011210 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 1001131011210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379109473280).

1001131011210 is an abundant number, since it is smaller than the sum of its proper divisors (1757087935350).

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

1001131011210 is a wasteful number, since it uses less digits than its factorization.

1001131011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10465 (or 10454 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1001131011210 its reverse (121101311001), we get a palindrome (1122232322211).

The spelling of 1001131011210 in words is "one trillion, one billion, one hundred thirty-one million, eleven thousand, two hundred ten".