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31040641075 = 522647469069
BaseRepresentation
bin11100111010001010…
…101001100000110011
32222010021102221120011
4130322022221200303
51002032401003300
622132044355351
72146134044563
oct347212514063
988107387504
1031040641075
11121896a6084
126023545b57
132c08b61852
141706734da3
15c1a186eba
hex73a2a9833

31040641075 has 12 divisors (see below), whose sum is σ = 38505018160. Its totient is φ = 24823078560.

The previous prime is 31040641067. The next prime is 31040641111. The reversal of 31040641075 is 57014604013.

It is not a de Polignac number, because 31040641075 - 23 = 31040641067 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 168360 + ... + 300709.

Almost surely, 231040641075 is an apocalyptic number.

31040641075 is a deficient number, since it is larger than the sum of its proper divisors (7464377085).

31040641075 is a wasteful number, since it uses less digits than its factorization.

31040641075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471726 (or 471721 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 31040641075 in words is "thirty-one billion, forty million, six hundred forty-one thousand, seventy-five".

Divisors: 1 5 25 2647 13235 66175 469069 2345345 11726725 1241625643 6208128215 31040641075