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1310331230 = 251310079471
BaseRepresentation
bin100111000011010…
…0001000101011110
310101022121201112022
41032012201011132
510140421044410
6334004540142
744320426445
oct11606410536
93338551468
101310331230
1161271427a
123069b1652
1317b614530
14c604dd5c
157a081455
hex4e1a115e

1310331230 has 16 divisors (see below), whose sum is σ = 2540026944. Its totient is φ = 483814560.

The previous prime is 1310331223. The next prime is 1310331251. The reversal of 1310331230 is 321330131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1310331199 and 1310331208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5039606 + ... + 5039865.

It is an arithmetic number, because the mean of its divisors is an integer number (158751684).

Almost surely, 21310331230 is an apocalyptic number.

1310331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310331230 is a deficient number, since it is larger than the sum of its proper divisors (1229695714).

1310331230 is a wasteful number, since it uses less digits than its factorization.

1310331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10079491.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1310331230 is about 36198.4976207577. The cubic root of 1310331230 is about 1094.2763941077.

Adding to 1310331230 its reverse (321330131), we get a palindrome (1631661361).

The spelling of 1310331230 in words is "one billion, three hundred ten million, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 10079471 20158942 50397355 100794710 131033123 262066246 655165615 1310331230