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131200030211 = 279614692251
BaseRepresentation
bin111101000110000100…
…0011001011000000011
3110112122120000002121012
41322030020121120003
54122144201431321
6140134503551135
712323154566465
oct1721410313003
9415576002535
10131200030211
1150706aa6638
122151675b4ab
13c4ab6a9993
1464c8a06135
15362d3a805b
hex1e8c219603

131200030211 has 4 divisors (see below), whose sum is σ = 131204750424. Its totient is φ = 131195310000.

The previous prime is 131200030177. The next prime is 131200030219. The reversal of 131200030211 is 112030002131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112030002131 = 202495532619.

It is a cyclic number.

It is not a de Polignac number, because 131200030211 - 222 = 131195835907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131200030219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2318165 + ... + 2374086.

It is an arithmetic number, because the mean of its divisors is an integer number (32801187606).

Almost surely, 2131200030211 is an apocalyptic number.

131200030211 is a deficient number, since it is larger than the sum of its proper divisors (4720213).

131200030211 is an equidigital number, since it uses as much as digits as its factorization.

131200030211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720212.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 131200030211 its reverse (112030002131), we get a palindrome (243230032342).

The spelling of 131200030211 in words is "one hundred thirty-one billion, two hundred million, thirty thousand, two hundred eleven".

Divisors: 1 27961 4692251 131200030211