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103323231121 = 1126122961129
BaseRepresentation
bin110000000111010001…
…0110110001110010001
3100212200202212222022211
41200032202312032101
53143101221343441
6115244355232121
710315305654655
oct1401642661621
9325622788284
10103323231121
113a9012a7900
12180368a8641
139988166aa6
145002566a65
152a4ad7aa81
hex180e8b6391

103323231121 has 24 divisors (see below), whose sum is σ = 115937935400. Its totient is φ = 91985414400.

The previous prime is 103323231047. The next prime is 103323231233. The reversal of 103323231121 is 121132323301.

It can be written as a sum of positive squares in 4 ways, for example, as 683090496 + 102640140625 = 26136^2 + 320375^2 .

It is not a de Polignac number, because 103323231121 - 223 = 103314842513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103323231092 and 103323231101.

It is not an unprimeable number, because it can be changed into a prime (103323231721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1659685 + ... + 1720813.

Almost surely, 2103323231121 is an apocalyptic number.

103323231121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103323231121 is a deficient number, since it is larger than the sum of its proper divisors (12614704279).

103323231121 is a wasteful number, since it uses less digits than its factorization.

103323231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61441 (or 61430 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 103323231121 its reverse (121132323301), we get a palindrome (224455554422).

The spelling of 103323231121 in words is "one hundred three billion, three hundred twenty-three million, two hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 11 61 121 229 671 2519 7381 13969 27709 61129 153659 672419 1690249 3728869 7396609 13998541 41017559 153983951 451193149 853911001 1693823461 9393021011 103323231121