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31014191144 = 234801807493
BaseRepresentation
bin11100111000100101…
…110000000000101000
32222001102200011002002
4130320211300000220
51002004113104034
622125301430132
72145363163226
oct347045600050
988042604062
1031014191144
111217577a932
12601670b348
132c035306c1
14170300bb16
15c17baee7e
hex738970028

31014191144 has 16 divisors (see below), whose sum is σ = 58163792820. Its totient is φ = 15503846400.

The previous prime is 31014191123. The next prime is 31014191177. The reversal of 31014191144 is 44119141013.

It can be written as a sum of positive squares in 2 ways, for example, as 26422502500 + 4591688644 = 162550^2 + 67762^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365339 + ... + 442154.

Almost surely, 231014191144 is an apocalyptic number.

It is an amenable number.

31014191144 is a deficient number, since it is larger than the sum of its proper divisors (27149601676).

31014191144 is a wasteful number, since it uses less digits than its factorization.

31014191144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812300 (or 812296 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 31014191144 in words is "thirty-one billion, fourteen million, one hundred ninety-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 4801 9602 19204 38408 807493 1614986 3229972 6459944 3876773893 7753547786 15507095572 31014191144