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31300443052 = 22109211340237
BaseRepresentation
bin11101001001101001…
…101101101110101100
32222210101022020212121
4131021221231232230
51003100403134202
622213525042324
72155440243004
oct351151555654
988711266777
1031300443052
111230231415a
1260965563a4
132c4a926928
14172d043004
15c32da5537
hex749a6dbac

31300443052 has 24 divisors (see below), whose sum is σ = 55540451120. Its totient is φ = 15433104960.

The previous prime is 31300443047. The next prime is 31300443071. The reversal of 31300443052 is 25034400313.

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, 78123 + ... + 262114.

Almost surely, 231300443052 is an apocalyptic number.

It is an amenable number.

31300443052 is a deficient number, since it is larger than the sum of its proper divisors (24240008068).

31300443052 is a wasteful number, since it uses less digits than its factorization.

31300443052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340561 (or 340559 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 31300443052 its reverse (25034400313), we get a palindrome (56334843365).

The spelling of 31300443052 in words is "thirty-one billion, three hundred million, four hundred forty-three thousand, fifty-two".

Divisors: 1 2 4 109 211 218 422 436 844 22999 45998 91996 340237 680474 1360948 37085833 71790007 74171666 143580014 148343332 287160028 7825110763 15650221526 31300443052