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31104216134 = 297197813863
BaseRepresentation
bin11100111101111101…
…001010110001000110
32222021201001220010222
4130331331022301012
51002200134404014
622142235144342
72150535321605
oct347575126106
988251056128
1031104216134
1112211578a52
1260408a50b2
132c19090b24
141710d63a3c
15c20a4408e
hex73df4ac46

31104216134 has 16 divisors (see below), whose sum is σ = 47376651168. Its totient is φ = 15313627392.

The previous prime is 31104216131. The next prime is 31104216173. The reversal of 31104216134 is 43161240113.

It is a happy number.

It is a super-2 number, since 2×311042161342 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31104216131) 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, 368714 + ... + 445149.

It is an arithmetic number, because the mean of its divisors is an integer number (2961040698).

Almost surely, 231104216134 is an apocalyptic number.

31104216134 is a deficient number, since it is larger than the sum of its proper divisors (16272435034).

31104216134 is a wasteful number, since it uses less digits than its factorization.

31104216134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814159.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 31104216134 its reverse (43161240113), we get a palindrome (74265456247).

The spelling of 31104216134 in words is "thirty-one billion, one hundred four million, two hundred sixteen thousand, one hundred thirty-four".

Divisors: 1 2 97 194 197 394 19109 38218 813863 1627726 78944711 157889422 160331011 320662022 15552108067 31104216134