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31004112203442 = 2327246064382567
BaseRepresentation
bin1110000110010101101010…
…00110000010111010110010
311001202222000212221202121100
413003022311012002322302
513030432410211002232
6145535031552305230
76346654542321450
oct703126506027262
9131688025852540
1031004112203442
119973852077294
12358897a542216
13143b8a1653761
1479286d9d39d0
1538b74c57ac7c
hex1c32b5182eb2

31004112203442 has 24 divisors (see below), whose sum is σ = 76772087361216. Its totient is φ = 8858317772376.

The previous prime is 31004112203429. The next prime is 31004112203497. The reversal of 31004112203442 is 24430221140013.

31004112203442 is a `hidden beast` number, since 3 + 1 + 0 + 0 + 4 + 1 + 12 + 203 + 442 = 666.

It is a super-2 number, since 2×310041122034422 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123032191158 + ... + 123032191409.

It is an arithmetic number, because the mean of its divisors is an integer number (3198836973384).

Almost surely, 231004112203442 is an apocalyptic number.

31004112203442 is an abundant number, since it is smaller than the sum of its proper divisors (45767975157774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31004112203442 is a wasteful number, since it uses less digits than its factorization.

31004112203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246064382582 (or 246064382579 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31004112203442 its reverse (24430221140013), we get a palindrome (55434333343455).

The spelling of 31004112203442 in words is "thirty-one trillion, four billion, one hundred twelve million, two hundred three thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 246064382567 492128765134 738193147701 1476386295402 1722450677969 2214579443103 3444901355938 4429158886206 5167352033907 10334704067814 15502056101721 31004112203442