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31042441204 = 2232092418389
BaseRepresentation
bin11100111010010001…
…100000111111110100
32222010101211101212121
4130322101200333310
51002033331104304
622132151125324
72146155253015
oct347221407764
988111741777
1031042441204
111218a715595
126024073844
132c09342008
141706a8300c
15c1a3e0554
hex73a460ff4

31042441204 has 12 divisors (see below), whose sum is σ = 54341223300. Its totient is φ = 15516377408.

The previous prime is 31042441163. The next prime is 31042441207. The reversal of 31042441204 is 40214424013.

It can be written as a sum of positive squares in 2 ways, for example, as 8377740900 + 22664700304 = 91530^2 + 150548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042441207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196359 + ... + 1222030.

It is an arithmetic number, because the mean of its divisors is an integer number (4528435275).

Almost surely, 231042441204 is an apocalyptic number.

It is an amenable number.

31042441204 is a deficient number, since it is larger than the sum of its proper divisors (23298782096).

31042441204 is a wasteful number, since it uses less digits than its factorization.

31042441204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421602 (or 2421600 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 31042441204 its reverse (40214424013), we get a palindrome (71256865217).

The spelling of 31042441204 in words is "thirty-one billion, forty-two million, four hundred forty-one thousand, two hundred four".

Divisors: 1 2 4 3209 6418 12836 2418389 4836778 9673556 7760610301 15521220602 31042441204