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2100330311231 is a prime number
BaseRepresentation
bin11110100100000101011…
…100010010111000111111
321102210022122000202001002
4132210011130102320333
5233402434024424411
64244513423440515
7304513100036045
oct36440534227077
97383278022032
102100330311231
1173a821783679
1229b08445613b
131230a2625439
1473929734395
153997b21233b
hex1e905712e3f

2100330311231 has 2 divisors, whose sum is σ = 2100330311232. Its totient is φ = 2100330311230.

The previous prime is 2100330311221. The next prime is 2100330311353. The reversal of 2100330311231 is 1321130330012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100330311231 - 210 = 2100330310207 is a prime.

It is a super-2 number, since 2×21003303112312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100330311221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050165155615 + 1050165155616.

It is an arithmetic number, because the mean of its divisors is an integer number (1050165155616).

Almost surely, 22100330311231 is an apocalyptic number.

2100330311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100330311231 is an equidigital number, since it uses as much as digits as its factorization.

2100330311231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2100330311231 its reverse (1321130330012), we get a palindrome (3421460641243).

The spelling of 2100330311231 in words is "two trillion, one hundred billion, three hundred thirty million, three hundred eleven thousand, two hundred thirty-one".