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1031230120123 = 7149998277911
BaseRepresentation
bin11110000000110100001…
…10101110000010111011
310122120210012101220102201
433000122012232002323
5113343424402320443
62105423544211031
7134334562251640
oct17003206560273
93576705356381
101031230120123
11368384578425
12147a38a69a77
137632446c968
1437ca9dc1dc7
151bc5837a34d
hexf01a1ae0bb

1031230120123 has 8 divisors (see below), whose sum is σ = 1179334944000. Its totient is φ = 883321855080.

The previous prime is 1031230120111. The next prime is 1031230120127. The reversal of 1031230120123 is 3210210321301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1031230120123 - 233 = 1022640185531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031230120123.

It is not an unprimeable number, because it can be changed into a prime (1031230120127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49128463 + ... + 49149448.

It is an arithmetic number, because the mean of its divisors is an integer number (147416868000).

Almost surely, 21031230120123 is an apocalyptic number.

1031230120123 is a deficient number, since it is larger than the sum of its proper divisors (148104823877).

1031230120123 is an equidigital number, since it uses as much as digits as its factorization.

1031230120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98279417.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031230120123 its reverse (3210210321301), we get a palindrome (4241440441424).

The spelling of 1031230120123 in words is "one trillion, thirty-one billion, two hundred thirty million, one hundred twenty thousand, one hundred twenty-three".

Divisors: 1 7 1499 10493 98277911 687945377 147318588589 1031230120123