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202130131222231 = 3474791867651361
BaseRepresentation
bin101101111101011000010110…
…101010110111111011010111
3222111200110012101022221012221
4231331120112222313323113
5202443200002043102411
61553521144514123211
760401264040051202
oct5575302652677327
9874613171287187
10202130131222231
115944a9a860a493
121a80620bb80507
1388a2a35950964
1437cb21717a939
151857d066a1071
hexb7d616ab7ed7

202130131222231 has 16 divisors (see below), whose sum is σ = 203244953840640. Its totient is φ = 201018820250880.

The previous prime is 202130131222213. The next prime is 202130131222247. The reversal of 202130131222231 is 132222131031202.

It is a cyclic number.

It is not a de Polignac number, because 202130131222231 - 29 = 202130131221719 is a prime.

It is a super-2 number, since 2×2021301312222312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202130131222196 and 202130131222205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202130131022231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309993991 + ... + 310645351.

It is an arithmetic number, because the mean of its divisors is an integer number (12702809615040).

Almost surely, 2202130131222231 is an apocalyptic number.

202130131222231 is a deficient number, since it is larger than the sum of its proper divisors (1114822618409).

202130131222231 is a wasteful number, since it uses less digits than its factorization.

202130131222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654054.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 202130131222231 its reverse (132222131031202), we get a palindrome (334352262253433).

The spelling of 202130131222231 in words is "two hundred two trillion, one hundred thirty billion, one hundred thirty-one million, two hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 347 479 1867 166213 647849 651361 894293 226022267 310319671 312001919 1216090987 108264665893 421983572489 582507582773 202130131222231