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5315231311 = 13795175493
BaseRepresentation
bin1001111001100111…
…11111111001001111
3111201102112201121221
410330303333321033
541341144400221
62235231504211
7245500502125
oct47463777117
914642481557
105315231311
112288344a55
121044088067
136692603b0
14385cbb915
15211973541
hex13ccffe4f

5315231311 has 8 divisors (see below), whose sum is σ = 5796553280. Its totient is φ = 4844260512.

The previous prime is 5315231309. The next prime is 5315231321. The reversal of 5315231311 is 1131325135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5315231311 - 21 = 5315231309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5315231321) 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 7 ways as a sum of consecutive naturals, for example, 2586720 + ... + 2588773.

It is an arithmetic number, because the mean of its divisors is an integer number (724569160).

Almost surely, 25315231311 is an apocalyptic number.

5315231311 is a deficient number, since it is larger than the sum of its proper divisors (481321969).

5315231311 is a wasteful number, since it uses less digits than its factorization.

5315231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175585.

The product of its digits is 1350, while the sum is 25.

The square root of 5315231311 is about 72905.6329168055. The cubic root of 5315231311 is about 1745.1819922228.

Adding to 5315231311 its reverse (1131325135), we get a palindrome (6446556446).

The spelling of 5315231311 in words is "five billion, three hundred fifteen million, two hundred thirty-one thousand, three hundred eleven".

Divisors: 1 13 79 1027 5175493 67281409 408863947 5315231311