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131020301031212 = 22231424133706861
BaseRepresentation
bin11101110010100110001010…
…100000000101011100101100
3122011220102022001101221200202
4131302212022200011130230
5114133114034030444322
61142353521222013032
736411622125320435
oct3562461240053454
9564812261357622
10131020301031212
113882444127036a
1212840741877178
1358152136c7918
14244d5b888c48c
1510232131e0292
hex77298a80572c

131020301031212 has 12 divisors (see below), whose sum is σ = 239254462752816. Its totient is φ = 62661883101840.

The previous prime is 131020301031181. The next prime is 131020301031229. The reversal of 131020301031212 is 212130103020131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712066853339 + ... + 712066853522.

It is an arithmetic number, because the mean of its divisors is an integer number (19937871896068).

Almost surely, 2131020301031212 is an apocalyptic number.

It is an amenable number.

131020301031212 is a deficient number, since it is larger than the sum of its proper divisors (108234161721604).

131020301031212 is a wasteful number, since it uses less digits than its factorization.

131020301031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424133706888 (or 1424133706886 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131020301031212 its reverse (212130103020131), we get a palindrome (343150404051343).

The spelling of 131020301031212 in words is "one hundred thirty-one trillion, twenty billion, three hundred one million, thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 1424133706861 2848267413722 5696534827444 32755075257803 65510150515606 131020301031212