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30044241131 = 194773641719
BaseRepresentation
bin11011111110110001…
…101011110011101011
32212112211112120210112
4123332301223303223
5443012311204011
621445132204535
72112344556512
oct337661536353
985484476715
1030044241131
1111818211053
1259a590974b
132aaa5b5198
141650283679
15bac96758b
hex6fec6bceb

30044241131 has 32 divisors (see below), whose sum is σ = 32837529600. Its totient is φ = 27394744320.

The previous prime is 30044241113. The next prime is 30044241137. The reversal of 30044241131 is 13114244003.

It is a cyclic number.

It is not a de Polignac number, because 30044241131 - 226 = 29977132267 is a prime.

It is a super-2 number, since 2×300442411312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30044241097 and 30044241106.

It is not an unprimeable number, because it can be changed into a prime (30044241137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41785790 + ... + 41786508.

It is an arithmetic number, because the mean of its divisors is an integer number (1026172800).

Almost surely, 230044241131 is an apocalyptic number.

30044241131 is a deficient number, since it is larger than the sum of its proper divisors (2793288469).

30044241131 is a wasteful number, since it uses less digits than its factorization.

30044241131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30044241131 its reverse (13114244003), we get a palindrome (43158485134).

The spelling of 30044241131 in words is "thirty billion, forty-four million, two hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 19 47 73 641 719 893 1387 3431 12179 13661 30127 33793 46793 52487 65189 460879 572413 642067 889067 997253 2199271 2466889 8756701 21661313 33644167 41786149 46870891 411564947 639239173 1581275849 30044241131