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31134112004 = 2213782768699
BaseRepresentation
bin11100111111101111…
…001101100100000100
32222100210022202120102
4130333233031210010
51002230313041004
622145224023232
72151350404562
oct347757154404
988323282512
1031134112004
1112227438186
12604a901b18
132c2232a5a8
141714d06a32
15c2349c11e
hex73fbcd904

31134112004 has 24 divisors (see below), whose sum is σ = 54949557600. Its totient is φ = 15434517056.

The previous prime is 31134111979. The next prime is 31134112007. The reversal of 31134112004 is 40021143113.

It is not an unprimeable number, because it can be changed into a prime (31134112007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418847 + ... + 487545.

It is an arithmetic number, because the mean of its divisors is an integer number (2289564900).

Almost surely, 231134112004 is an apocalyptic number.

It is an amenable number.

31134112004 is a deficient number, since it is larger than the sum of its proper divisors (23815445596).

31134112004 is a wasteful number, since it uses less digits than its factorization.

31134112004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69667 (or 69665 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31134112004 its reverse (40021143113), we get a palindrome (71155255117).

The spelling of 31134112004 in words is "thirty-one billion, one hundred thirty-four million, one hundred twelve thousand, four".

Divisors: 1 2 4 137 274 548 827 1654 3308 68699 113299 137398 226598 274796 453196 9411763 18823526 37647052 56814073 113628146 227256292 7783528001 15567056002 31134112004