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31003002230 = 2585914812437
BaseRepresentation
bin11100110111111011…
…000100010101110110
32222000122121200202212
4130313323010111312
51001443232032410
622124221533422
72145166112414
oct346773042566
988018550685
1031003002230
111216a4284a2
126012a14272
132c01113945
1417017382b4
15c16beeb05
hex737ec4576

31003002230 has 32 divisors (see below), whose sum is σ = 55931035680. Its totient is φ = 12373320960.

The previous prime is 31003002227. The next prime is 31003002263. The reversal of 31003002230 is 3220030013.

It is a super-2 number, since 2×310030022302 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12720572 + ... + 12723008.

It is an arithmetic number, because the mean of its divisors is an integer number (1747844865).

Almost surely, 231003002230 is an apocalyptic number.

31003002230 is a deficient number, since it is larger than the sum of its proper divisors (24928033450).

31003002230 is a wasteful number, since it uses less digits than its factorization.

31003002230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 31003002230 its reverse (3220030013), we get a palindrome (34223032243).

The spelling of 31003002230 in words is "thirty-one billion, three million, two thousand, two hundred thirty".

Divisors: 1 2 5 10 859 1481 1718 2437 2962 4295 4874 7405 8590 12185 14810 24370 1272179 2093383 2544358 3609197 4186766 6360895 7218394 10466915 12721790 18045985 20933830 36091970 3100300223 6200600446 15501501115 31003002230