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2131130101 is a prime number
BaseRepresentation
bin111111100000110…
…0111011011110101
312111112002121220111
41333001213123311
513331032130401
6551245303021
7103545210202
oct17701473365
95445077814
102131130101
119a3a70651
124b5864a71
1327c69a339
14163070ca9
15c7165e51
hex7f0676f5

2131130101 has 2 divisors, whose sum is σ = 2131130102. Its totient is φ = 2131130100.

The previous prime is 2131130077. The next prime is 2131130119. The reversal of 2131130101 is 1010311312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1675264900 + 455865201 = 40930^2 + 21351^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131130101 - 229 = 1594259189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131130191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065565050 + 1065565051.

It is an arithmetic number, because the mean of its divisors is an integer number (1065565051).

Almost surely, 22131130101 is an apocalyptic number.

It is an amenable number.

2131130101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131130101 is an equidigital number, since it uses as much as digits as its factorization.

2131130101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2131130101 is about 46164.1646843090. The cubic root of 2131130101 is about 1286.8758606932.

Adding to 2131130101 its reverse (1010311312), we get a palindrome (3141441413).

The spelling of 2131130101 in words is "two billion, one hundred thirty-one million, one hundred thirty thousand, one hundred one".