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2031212313130 = 2571113234744983
BaseRepresentation
bin11101100011101101101…
…100000011101000101010
321012011220200022122022111
4131203231230003220222
5231234410323010010
64153043121112534
7266515222534360
oct35435554035052
97164820278274
102031212313130
117134834406a0
122897b4a8874a
13119708b42300
147044dd11630
1537c8327558a
hex1d8edb03a2a

2031212313130 has 192 divisors, whose sum is σ = 4950307104768. Its totient is φ = 582707623680.

The previous prime is 2031212313089. The next prime is 2031212313139. The reversal of 2031212313130 is 313132121302.

It is a super-2 number, since 2×20312123131302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2031212313139) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45132619 + ... + 45177601.

It is an arithmetic number, because the mean of its divisors is an integer number (25782849504).

Almost surely, 22031212313130 is an apocalyptic number.

2031212313130 is an abundant number, since it is smaller than the sum of its proper divisors (2919094791638).

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

2031212313130 is a wasteful number, since it uses less digits than its factorization.

2031212313130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45381 (or 45368 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2031212313130 its reverse (313132121302), we get a palindrome (2344344434432).

The spelling of 2031212313130 in words is "two trillion, thirty-one billion, two hundred twelve million, three hundred thirteen thousand, one hundred thirty".