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31003441030 = 258936179631
BaseRepresentation
bin11100110111111100…
…101111011110000110
32222000200102222200201
4130313330233132012
51001443340103110
622124235201114
72145202620622
oct346774573606
988020388621
1031003441030
111216a6a8141
126012ba619a
132c012385a3
141701810182
15c16c89b3a
hex737f2f786

31003441030 has 32 divisors (see below), whose sum is σ = 56454693120. Its totient is φ = 12257372160.

The previous prime is 31003441019. The next prime is 31003441039. The reversal of 31003441030 is 3014430013.

It is a super-2 number, since 2×310034410302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31003440989 and 31003441007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31003441039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3214315 + ... + 3223945.

It is an arithmetic number, because the mean of its divisors is an integer number (1764209160).

Almost surely, 231003441030 is an apocalyptic number.

31003441030 is a deficient number, since it is larger than the sum of its proper divisors (25451252090).

31003441030 is a wasteful number, since it uses less digits than its factorization.

31003441030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13344.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31003441030 its reverse (3014430013), we get a palindrome (34017871043).

The spelling of 31003441030 in words is "thirty-one billion, three million, four hundred forty-one thousand, thirty".

Divisors: 1 2 5 10 89 178 445 890 3617 7234 9631 18085 19262 36170 48155 96310 321913 643826 857159 1609565 1714318 3219130 4285795 8571590 34835327 69670654 174176635 348353270 3100344103 6200688206 15501720515 31003441030