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202220412431 is a prime number
BaseRepresentation
bin1011110001010101000…
…1101001111000001111
3201022222002101022201212
42330111101221320033
511303121411144211
6232522045125035
720416132100432
oct2742521517017
9638862338655
10202220412431
11788411729a4
123323725977b
13160b934989b
149b04d53819
1553d837438b
hex2f15469e0f

202220412431 has 2 divisors, whose sum is σ = 202220412432. Its totient is φ = 202220412430.

The previous prime is 202220412397. The next prime is 202220412523. The reversal of 202220412431 is 134214022202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202220412431 - 218 = 202220150287 is a prime.

It is a super-2 number, since 2×2022204124312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202220412397 and 202220412406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202220412931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110206215 + 101110206216.

It is an arithmetic number, because the mean of its divisors is an integer number (101110206216).

Almost surely, 2202220412431 is an apocalyptic number.

202220412431 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220412431 is an equidigital number, since it uses as much as digits as its factorization.

202220412431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 202220412431 its reverse (134214022202), we get a palindrome (336434434633).

The spelling of 202220412431 in words is "two hundred two billion, two hundred twenty million, four hundred twelve thousand, four hundred thirty-one".