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31241224122 = 2317358185531
BaseRepresentation
bin11101000110000111…
…110011111110111010
32222122020212121202220
4131012013303332322
51002440223132442
622204011504510
72154121011033
oct350607637672
988566777686
1031241224122
1112281947099
12607a758136
132c3b591344
141725229a8a
15c2caa8eec
hex7461f3fba

31241224122 has 32 divisors (see below), whose sum is σ = 66177134784. Its totient is φ = 9798316800.

The previous prime is 31241224117. The next prime is 31241224163. The reversal of 31241224122 is 22142214213.

It is a junction number, because it is equal to n+sod(n) for n = 31241224092 and 31241224101.

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, 322497 + ... + 408027.

It is an arithmetic number, because the mean of its divisors is an integer number (2068035462).

Almost surely, 231241224122 is an apocalyptic number.

31241224122 is an abundant number, since it is smaller than the sum of its proper divisors (34935910662).

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

31241224122 is a wasteful number, since it uses less digits than its factorization.

31241224122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89134.

The product of its digits is 1536, while the sum is 24.

Adding to 31241224122 its reverse (22142214213), we get a palindrome (53383438335).

Subtracting from 31241224122 its reverse (22142214213), we obtain a palindrome (9099009909).

The spelling of 31241224122 in words is "thirty-one billion, two hundred forty-one million, two hundred twenty-four thousand, one hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 3581 7162 10743 21486 60877 85531 121754 171062 182631 256593 365262 513186 1454027 2908054 4362081 8724162 306286511 612573022 918859533 1837719066 5206870687 10413741374 15620612061 31241224122