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912321130230031 = 7923836619732157
BaseRepresentation
bin1100111101110000000101000…
…0111000110111000100001111
311102122021001022012002210111011
43033130001100320313010033
51424034432133314330111
612552202312530110051
7363111012044012404
oct31734012070670417
94378231265083434
10912321130230031
1124476a244941095
12863a5b4471b327
133020a68a0110c2
1412140814c382ab
1570718761d0021
hex33dc050e3710f

912321130230031 has 16 divisors (see below), whose sum is σ = 924398090291200. Its totient is φ = 900257500572768.

The previous prime is 912321130230001. The next prime is 912321130230047. The reversal of 912321130230031 is 130032031123219.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 912321130230031 - 233 = 912312540295439 is a prime.

It is a super-2 number, since 2×9123211302300312 (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 912321130229975 and 912321130230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912321130230001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245707005 + ... + 1246439161.

It is an arithmetic number, because the mean of its divisors is an integer number (57774880643200).

Almost surely, 2912321130230031 is an apocalyptic number.

912321130230031 is a deficient number, since it is larger than the sum of its proper divisors (12076960061169).

912321130230031 is a wasteful number, since it uses less digits than its factorization.

912321130230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741238.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 912321130230031 in words is "nine hundred twelve trillion, three hundred twenty-one billion, one hundred thirty million, two hundred thirty thousand, thirty-one".

Divisors: 1 79 2383 6619 188257 522901 732157 15773077 57840403 1246073083 1744730131 4846147183 137833680349 382845627457 11548368737089 912321130230031