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321130041 = 31276591279
BaseRepresentation
bin10011001001000…
…000111000111001
3211101021002121020
4103021000320321
51124202130131
651510533053
710646363121
oct2311007071
9741232536
10321130041
111552a6831
128b667189
13516b869b
1430913c81
151d2d4996
hex13240e39

321130041 has 16 divisors (see below), whose sum is σ = 432537600. Its totient is φ = 211912848.

The previous prime is 321130037. The next prime is 321130057. The reversal of 321130041 is 140031123.

It is not a de Polignac number, because 321130041 - 22 = 321130037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321130041.

It is not an unprimeable number, because it can be changed into a prime (321130441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250440 + ... + 251718.

It is an arithmetic number, because the mean of its divisors is an integer number (27033600).

Almost surely, 2321130041 is an apocalyptic number.

It is an amenable number.

321130041 is a deficient number, since it is larger than the sum of its proper divisors (111407559).

321130041 is a wasteful number, since it uses less digits than its factorization.

321130041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 321130041 is about 17920.1015901138. The cubic root of 321130041 is about 684.7945756580.

Adding to 321130041 its reverse (140031123), we get a palindrome (461161164).

The spelling of 321130041 in words is "three hundred twenty-one million, one hundred thirty thousand, forty-one".

Divisors: 1 3 127 381 659 1279 1977 3837 83693 162433 251079 487299 842861 2528583 107043347 321130041