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5231265431 = 72106760519
BaseRepresentation
bin1001101111100111…
…01100011010010111
3111111120112211002112
410313303230122113
541203200443211
62223032101235
7243431010500
oct46763543227
914446484075
105231265431
112244a05167
12101bb3481b
13654a41b42
14378aa1ba7
152093d988b
hex137cec697

5231265431 has 6 divisors (see below), whose sum is σ = 6085349640. Its totient is φ = 4483941756.

The previous prime is 5231265419. The next prime is 5231265433. The reversal of 5231265431 is 1345621325.

It is a happy number.

It is not a de Polignac number, because 5231265431 - 26 = 5231265367 is a prime.

It is a super-2 number, since 2×52312654312 = 54732276019151231522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231265433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53380211 + ... + 53380308.

It is an arithmetic number, because the mean of its divisors is an integer number (1014224940).

Almost surely, 25231265431 is an apocalyptic number.

5231265431 is a deficient number, since it is larger than the sum of its proper divisors (854084209).

5231265431 is a wasteful number, since it uses less digits than its factorization.

5231265431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106760533 (or 106760526 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 5231265431 is about 72327.4873820458. The cubic root of 5231265431 is about 1735.9434977708.

Adding to 5231265431 its reverse (1345621325), we get a palindrome (6576886756).

The spelling of 5231265431 in words is "five billion, two hundred thirty-one million, two hundred sixty-five thousand, four hundred thirty-one".

Divisors: 1 7 49 106760519 747323633 5231265431