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31020122230132 = 227103100910659997
BaseRepresentation
bin1110000110110011011110…
…10111011100110101110100
311001211111100122122101102211
413003121233113130311310
513031213202242331012
6145550240350543204
76351062355312220
oct703315727346564
9131744318571384
1031020122230132
11997a618340302
12358baa8207b04
13144025350a729
1479354c015780
1538bd87da26a7
hex1c366f5dcd74

31020122230132 has 48 divisors (see below), whose sum is σ = 62704666635520. Its totient is φ = 13152217784832.

The previous prime is 31020122230129. The next prime is 31020122230241. The reversal of 31020122230132 is 23103222102013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2420043 + ... + 8239954.

Almost surely, 231020122230132 is an apocalyptic number.

It is an amenable number.

31020122230132 is an abundant number, since it is smaller than the sum of its proper divisors (31684544405388).

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

31020122230132 is a wasteful number, since it uses less digits than its factorization.

31020122230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661120 (or 10661118 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31020122230132 its reverse (23103222102013), we get a palindrome (54123344332145).

The spelling of 31020122230132 in words is "thirty-one trillion, twenty billion, one hundred twenty-two million, two hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 103 206 412 721 1009 1442 2018 2884 4036 7063 14126 28252 103927 207854 415708 727489 1454978 2909956 10659997 21319994 42639988 74619979 149239958 298479916 1097979691 2195959382 4391918764 7685857837 10755936973 15371715674 21511873946 30743431348 43023747892 75291558811 150583117622 301166235244 1107861508219 2215723016438 4431446032876 7755030557533 15510061115066 31020122230132