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31053667135 = 56210733427
BaseRepresentation
bin11100111010111100…
…010101101100111111
32222011011221201221211
4130322330111230333
51002044214322020
622133231505251
72146352546461
oct347274255477
988134851854
1031053667135
1112195a92817
126027988227
132c0b77288a
141708366131
15c1b3ab85a
hex73af15b3f

31053667135 has 4 divisors (see below), whose sum is σ = 37264400568. Its totient is φ = 24842933704.

The previous prime is 31053667133. The next prime is 31053667153. The reversal of 31053667135 is 53176635013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31053667135 - 21 = 31053667133 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31053667133) 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 3 ways as a sum of consecutive naturals, for example, 3105366709 + ... + 3105366718.

It is an arithmetic number, because the mean of its divisors is an integer number (9316100142).

Almost surely, 231053667135 is an apocalyptic number.

31053667135 is a deficient number, since it is larger than the sum of its proper divisors (6210733433).

31053667135 is an equidigital number, since it uses as much as digits as its factorization.

31053667135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210733432.

The product of its (nonzero) digits is 170100, while the sum is 40.

The spelling of 31053667135 in words is "thirty-one billion, fifty-three million, six hundred sixty-seven thousand, one hundred thirty-five".

Divisors: 1 5 6210733427 31053667135