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31101424232 = 233887678029
BaseRepresentation
bin11100111101110010…
…100001001001101000
32222021111211001101012
4130331302201021220
51002143431033412
622142055243052
72150502513134
oct347562411150
988244731335
1031101424232
111220aa4139a
12603b979488
132c18624108
1417108383c4
15c20691c22
hex73dca1268

31101424232 has 8 divisors (see below), whose sum is σ = 58315170450. Its totient is φ = 15550712112.

The previous prime is 31101424217. The next prime is 31101424241. The reversal of 31101424232 is 23242410113.

It can be written as a sum of positive squares in only one way, i.e., 29389616356 + 1711807876 = 171434^2 + 41374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 31101424198 and 31101424207.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1943839007 + ... + 1943839022.

Almost surely, 231101424232 is an apocalyptic number.

It is an amenable number.

31101424232 is a deficient number, since it is larger than the sum of its proper divisors (27213746218).

31101424232 is a wasteful number, since it uses less digits than its factorization.

31101424232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887678035 (or 3887678031 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31101424232 its reverse (23242410113), we get a palindrome (54343834345).

The spelling of 31101424232 in words is "thirty-one billion, one hundred one million, four hundred twenty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 3887678029 7775356058 15550712116 31101424232