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31434421030 = 2517184908359
BaseRepresentation
bin11101010001101000…
…110011001100100110
310000010201102001002221
4131101220303030212
51003334202433110
622235112422554
72161655112235
oct352150631446
9100121361087
1031434421030
1112370a02861
1261133a7a5a
132c6c605c3c
141742b5ab1c
15c3ea1c7da
hex751a33326

31434421030 has 16 divisors (see below), whose sum is σ = 59910308640. Its totient is φ = 11834134912.

The previous prime is 31434420989. The next prime is 31434421049. The reversal of 31434421030 is 3012443413.

It is a junction number, because it is equal to n+sod(n) for n = 31434420986 and 31434421004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92454010 + ... + 92454349.

It is an arithmetic number, because the mean of its divisors is an integer number (3744394290).

Almost surely, 231434421030 is an apocalyptic number.

31434421030 is a deficient number, since it is larger than the sum of its proper divisors (28475887610).

31434421030 is a wasteful number, since it uses less digits than its factorization.

31434421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184908383.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31434421030 its reverse (3012443413), we get a palindrome (34446864443).

The spelling of 31434421030 in words is "thirty-one billion, four hundred thirty-four million, four hundred twenty-one thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 184908359 369816718 924541795 1849083590 3143442103 6286884206 15717210515 31434421030