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5055131431 = 71938008507
BaseRepresentation
bin1001011010100111…
…10010111100100111
3111001022010021200001
410231103302330213
540323103201211
62153341002131
7236161623340
oct45523627447
914038107601
105055131431
112164543079
12b90b53347
136273c283c
1435d5330c7
151e8be6ac1
hex12d4f2f27

5055131431 has 8 divisors (see below), whose sum is σ = 6081361280. Its totient is φ = 4104918648.

The previous prime is 5055131413. The next prime is 5055131453. The reversal of 5055131431 is 1341315505.

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

It is a cyclic number.

It is not a de Polignac number, because 5055131431 - 25 = 5055131399 is a prime.

It is a super-2 number, since 2×50551314312 = 51108707569368215522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5055131431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5055131461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19004121 + ... + 19004386.

It is an arithmetic number, because the mean of its divisors is an integer number (760170160).

Almost surely, 25055131431 is an apocalyptic number.

5055131431 is a deficient number, since it is larger than the sum of its proper divisors (1026229849).

5055131431 is a wasteful number, since it uses less digits than its factorization.

5055131431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38008533.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5055131431 is about 71099.4474732399. The cubic root of 5055131431 is about 1716.2378821920.

Adding to 5055131431 its reverse (1341315505), we get a palindrome (6396446936).

It can be divided in two parts, 505513 and 1431, that added together give a square (506944 = 7122).

The spelling of 5055131431 in words is "five billion, fifty-five million, one hundred thirty-one thousand, four hundred thirty-one".

Divisors: 1 7 19 133 38008507 266059549 722161633 5055131431