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202101012131 is a prime number
BaseRepresentation
bin1011110000111000101…
…0001011011010100011
3201022122202201011022112
42330032022023122203
511302400324342011
6232502142025535
720413152154544
oct2741612133243
9638582634275
10202101012131
117878a830767
12332032782ab
131609a6a2915
149ad31524cb
1553ccb3b58b
hex2f0e28b6a3

202101012131 has 2 divisors, whose sum is σ = 202101012132. Its totient is φ = 202101012130.

The previous prime is 202101012107. The next prime is 202101012137. The reversal of 202101012131 is 131210101202.

202101012131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202101012131 - 230 = 201027270307 is a prime.

It is a super-2 number, since 2×2021010121312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202101012137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050506065 + 101050506066.

It is an arithmetic number, because the mean of its divisors is an integer number (101050506066).

Almost surely, 2202101012131 is an apocalyptic number.

202101012131 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101012131 is an equidigital number, since it uses as much as digits as its factorization.

202101012131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 202101012131 its reverse (131210101202), we get a palindrome (333311113333).

The spelling of 202101012131 in words is "two hundred two billion, one hundred one million, twelve thousand, one hundred thirty-one".