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2215040131 is a prime number
BaseRepresentation
bin1000010000000110…
…1101010010000011
312201100222200211101
42010001231102003
514014022241011
61003443555231
7105614346643
oct20401552203
95640880741
102215040131
11a37372487
1251998bb17
13293b99345
14170274523
15ce6dd2c1
hex8406d483

2215040131 has 2 divisors, whose sum is σ = 2215040132. Its totient is φ = 2215040130.

The previous prime is 2215040057. The next prime is 2215040141. The reversal of 2215040131 is 1310405122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2215040131 - 211 = 2215038083 is a prime.

It is a super-2 number, since 2×22150401312 = 9812805563880994322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2215040099 and 2215040108.

It is not a weakly prime, because it can be changed into another prime (2215040141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107520065 + 1107520066.

It is an arithmetic number, because the mean of its divisors is an integer number (1107520066).

Almost surely, 22215040131 is an apocalyptic number.

2215040131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215040131 is an equidigital number, since it uses as much as digits as its factorization.

2215040131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2215040131 is about 47064.2128479804. The cubic root of 2215040131 is about 1303.5485163002.

Adding to 2215040131 its reverse (1310405122), we get a palindrome (3525445253).

The spelling of 2215040131 in words is "two billion, two hundred fifteen million, forty thousand, one hundred thirty-one".