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2131230010332 = 2231731598368819
BaseRepresentation
bin11111000000110111001…
…101010010101111011100
321112202002002021002120010
4133000313031102233130
5234404224340312312
64311023515323220
7306655603121253
oct37006715225734
97482062232503
102131230010332
11751938863985
122a5068750510
13125c88209c67
147521b45b79a
153a688d0893c
hex1f037352bdc

2131230010332 has 192 divisors, whose sum is σ = 5594041958400. Its totient is φ = 628412943360.

The previous prime is 2131230010307. The next prime is 2131230010339. The reversal of 2131230010332 is 2330100321312.

It is a junction number, because it is equal to n+sod(n) for n = 2131230010299 and 2131230010308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131230010339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30934219 + ... + 31003037.

It is an arithmetic number, because the mean of its divisors is an integer number (29135635200).

Almost surely, 22131230010332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131230010332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2797020979200).

2131230010332 is an abundant number, since it is smaller than the sum of its proper divisors (3462811948068).

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

2131230010332 is a wasteful number, since it uses less digits than its factorization.

2131230010332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69016 (or 69014 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2131230010332 its reverse (2330100321312), we get a palindrome (4461330331644).

The spelling of 2131230010332 in words is "two trillion, one hundred thirty-one billion, two hundred thirty million, ten thousand, three hundred thirty-two".