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3131040004 = 22797982133
BaseRepresentation
bin1011101010011111…
…1110000100000100
322002012121022102121
42322213332010010
522403021240004
61234405015324
7140406254341
oct27247760404
98065538377
103131040004
111367432774
127346b4544
133ab8a54c1
14219b977c8
15134d2a854
hexba9fe104

3131040004 has 12 divisors (see below), whose sum is σ = 5486200524. Its totient is φ = 1563554144.

The previous prime is 3131039999. The next prime is 3131040019. The reversal of 3131040004 is 4000401313.

3131040004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1324960000 + 1806080004 = 36400^2 + 42498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3131040004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487879 + ... + 494254.

It is an arithmetic number, because the mean of its divisors is an integer number (457183377).

Almost surely, 23131040004 is an apocalyptic number.

It is an amenable number.

3131040004 is a deficient number, since it is larger than the sum of its proper divisors (2355160520).

3131040004 is a wasteful number, since it uses less digits than its factorization.

3131040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982934 (or 982932 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3131040004 is about 55955.6967966623. The cubic root of 3131040004 is about 1462.9501871110.

Adding to 3131040004 its reverse (4000401313), we get a palindrome (7131441317).

The spelling of 3131040004 in words is "three billion, one hundred thirty-one million, forty thousand, four".

Divisors: 1 2 4 797 1594 3188 982133 1964266 3928532 782760001 1565520002 3131040004