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1310323023 = 32145591447
BaseRepresentation
bin100111000011001…
…1111000101001111
310101022121022021100
41032012133011033
510140420314043
6334004434143
744320363512
oct11606370517
93338538240
101310323023
11612709099
123069a8953
1317b610889
14c604ad79
157a07dcd3
hex4e19f14f

1310323023 has 6 divisors (see below), whose sum is σ = 1892688824. Its totient is φ = 873548676.

The previous prime is 1310323019. The next prime is 1310323031. The reversal of 1310323023 is 3203230131.

It is not a de Polignac number, because 1310323023 - 22 = 1310323019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310322987 and 1310323005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310323013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72795715 + ... + 72795732.

Almost surely, 21310323023 is an apocalyptic number.

1310323023 is a deficient number, since it is larger than the sum of its proper divisors (582365801).

1310323023 is a wasteful number, since it uses less digits than its factorization.

1310323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145591453 (or 145591450 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1310323023 is about 36198.3842595219. The cubic root of 1310323023 is about 1094.2741095085.

Adding to 1310323023 its reverse (3203230131), we get a palindrome (4513553154).

The spelling of 1310323023 in words is "one billion, three hundred ten million, three hundred twenty-three thousand, twenty-three".

Divisors: 1 3 9 145591447 436774341 1310323023