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1313330230 = 25223958657
BaseRepresentation
bin100111001000111…
…1101010000110110
310101112021002101101
41032101331100312
510142203031410
6334153120314
744355060052
oct11621752066
93345232341
101313330230
11614382493
123079b909a
1317c1245a4
14c65d0c62
157a474d3a
hex4e47d436

1313330230 has 16 divisors (see below), whose sum is σ = 2365090560. Its totient is φ = 525088512.

The previous prime is 1313330197. The next prime is 1313330233. The reversal of 1313330230 is 320333131.

It is a junction number, because it is equal to n+sod(n) for n = 1313330198 and 1313330207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313330233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6939 + ... + 51718.

It is an arithmetic number, because the mean of its divisors is an integer number (147818160).

Almost surely, 21313330230 is an apocalyptic number.

1313330230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313330230 is a deficient number, since it is larger than the sum of its proper divisors (1051760330).

1313330230 is a wasteful number, since it uses less digits than its factorization.

1313330230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60903.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 1313330230 is about 36239.8983166344. The cubic root of 1313330230 is about 1095.1105939742.

Adding to 1313330230 its reverse (320333131), we get a palindrome (1633663361).

The spelling of 1313330230 in words is "one billion, three hundred thirteen million, three hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 2239 4478 11195 22390 58657 117314 293285 586570 131333023 262666046 656665115 1313330230