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5312052031 = 111397382961
BaseRepresentation
bin1001111001001111…
…10111101100111111
3111201012120012110211
410330213313230333
541334341131111
62235035413251
7245431461106
oct47447675477
914635505424
105312052031
112286573350
121042bb4227
136686b9270
143856d103d
15211546521
hex13c9f7b3f

5312052031 has 16 divisors (see below), whose sum is σ = 6305086368. Its totient is φ = 4411699200.

The previous prime is 5312052029. The next prime is 5312052037. The reversal of 5312052031 is 1302502135.

It is a cyclic number.

It is not a de Polignac number, because 5312052031 - 21 = 5312052029 is a prime.

It is a super-2 number, since 2×53120520312 = 56435793560102449922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5312051993 and 5312052011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312052037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177610 + ... + 205351.

It is an arithmetic number, because the mean of its divisors is an integer number (394067898).

Almost surely, 25312052031 is an apocalyptic number.

5312052031 is a deficient number, since it is larger than the sum of its proper divisors (993034337).

5312052031 is a wasteful number, since it uses less digits than its factorization.

5312052031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383082.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5312052031 is about 72883.8255787935. The cubic root of 5312052031 is about 1744.8339654233.

Adding to 5312052031 its reverse (1302502135), we get a palindrome (6614554166).

The spelling of 5312052031 in words is "five billion, three hundred twelve million, fifty-two thousand, thirty-one".

Divisors: 1 11 13 97 143 1067 1261 13871 382961 4212571 4978493 37147217 54763423 408619387 482913821 5312052031