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31034560641 = 371818164841
BaseRepresentation
bin11100111001110011…
…011101000010000001
32222002212000000202220
4130321303131002001
51002024321420031
622131310201253
72146031261430
oct347163350201
988085000686
1031034560641
1112186222827
1260214b3229
132c07813066
1417059d1117
15c19885596
hex739cdd081

31034560641 has 16 divisors (see below), whose sum is σ = 47552039808. Its totient is φ = 17636054400.

The previous prime is 31034560631. The next prime is 31034560643. The reversal of 31034560641 is 14606543013.

It is not a de Polignac number, because 31034560641 - 222 = 31030366337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31034560643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4078620 + ... + 4086221.

It is an arithmetic number, because the mean of its divisors is an integer number (2972002488).

Almost surely, 231034560641 is an apocalyptic number.

It is an amenable number.

31034560641 is a deficient number, since it is larger than the sum of its proper divisors (16517479167).

31034560641 is a wasteful number, since it uses less digits than its factorization.

31034560641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165032.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 31034560641 in words is "thirty-one billion, thirty-four million, five hundred sixty thousand, six hundred forty-one".

Divisors: 1 3 7 21 181 543 1267 3801 8164841 24494523 57153887 171461661 1477836221 4433508663 10344853547 31034560641