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122131343 is a prime number
BaseRepresentation
bin1110100011110…
…01001110001111
322111210220201002
413101321032033
5222231200333
620041410515
73012046025
oct721711617
9274726632
10122131343
1162a380a4
1234a99a3b
131c3c2089
1412312715
15aac70e8
hex747938f

122131343 has 2 divisors, whose sum is σ = 122131344. Its totient is φ = 122131342.

The previous prime is 122131337. The next prime is 122131363. The reversal of 122131343 is 343131221.

It is an a-pointer prime, because the next prime (122131363) can be obtained adding 122131343 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122131343 - 26 = 122131279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122131313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61065671 + 61065672.

It is an arithmetic number, because the mean of its divisors is an integer number (61065672).

Almost surely, 2122131343 is an apocalyptic number.

122131343 is a deficient number, since it is larger than the sum of its proper divisors (1).

122131343 is an equidigital number, since it uses as much as digits as its factorization.

122131343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 122131343 is about 11051.3050360580. The cubic root of 122131343 is about 496.1454857973.

Adding to 122131343 its reverse (343131221), we get a palindrome (465262564).

The spelling of 122131343 in words is "one hundred twenty-two million, one hundred thirty-one thousand, three hundred forty-three".