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10312243113121 = 57251180123371
BaseRepresentation
bin1001011000010000000110…
…0101100110110010100001
31100111211200221201212102121
42112010001211212302201
52322423433214104441
633533213514344241
72113014666123205
oct226040145466241
940454627655377
1010312243113121
113316441441424
1211a66b942b081
1359a5955bc761
14279188294b05
1512d3a2395dd1
hex96101966ca1

10312243113121 has 4 divisors (see below), whose sum is σ = 10312423293744. Its totient is φ = 10312062932500.

The previous prime is 10312243113113. The next prime is 10312243113149. The reversal of 10312243113121 is 12131134221301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10312243113121 - 23 = 10312243113113 is a prime.

It is a super-2 number, since 2×103122431131212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10312240113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90004435 + ... + 90118936.

It is an arithmetic number, because the mean of its divisors is an integer number (2578105823436).

Almost surely, 210312243113121 is an apocalyptic number.

It is an amenable number.

10312243113121 is a deficient number, since it is larger than the sum of its proper divisors (180180623).

10312243113121 is an equidigital number, since it uses as much as digits as its factorization.

10312243113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180180622.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 10312243113121 its reverse (12131134221301), we get a palindrome (22443377334422).

The spelling of 10312243113121 in words is "ten trillion, three hundred twelve billion, two hundred forty-three million, one hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 57251 180123371 10312243113121