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2131241089 is a prime number
BaseRepresentation
bin111111100001000…
…0010100010000001
312111112022021011011
41333002002202001
513331044203324
6551251520521
7103546151605
oct17702024201
95445267134
102131241089
119a4036a7a
124b58b9141
1327c708a03
1416309d505
15c7188c94
hex7f082881

2131241089 has 2 divisors, whose sum is σ = 2131241090. Its totient is φ = 2131241088.

The previous prime is 2131241069. The next prime is 2131241113. The reversal of 2131241089 is 9801421312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1598000625 + 533240464 = 39975^2 + 23092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131241089 - 27 = 2131240961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2131241089.

It is not a weakly prime, because it can be changed into another prime (2131241069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065620544 + 1065620545.

It is an arithmetic number, because the mean of its divisors is an integer number (1065620545).

Almost surely, 22131241089 is an apocalyptic number.

It is an amenable number.

2131241089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131241089 is an equidigital number, since it uses as much as digits as its factorization.

2131241089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2131241089 is about 46165.3667699066. The cubic root of 2131241089 is about 1286.8982002176.

The spelling of 2131241089 in words is "two billion, one hundred thirty-one million, two hundred forty-one thousand, eighty-nine".