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31430231341 is a prime number
BaseRepresentation
bin11101010001011000…
…110100010100101101
310000010102112011221021
4131101120310110231
51003332114400331
622234442534141
72161604362345
oct352130642455
9100112464837
1031430231341
1112369601003
126111b07351
132c6b799c32
141742389d25
15c3e491211
hex75163452d

31430231341 has 2 divisors, whose sum is σ = 31430231342. Its totient is φ = 31430231340.

The previous prime is 31430231333. The next prime is 31430231383. The reversal of 31430231341 is 14313203413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22585581225 + 8844650116 = 150285^2 + 94046^2 .

It is a cyclic number.

It is not a de Polignac number, because 31430231341 - 23 = 31430231333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31430231311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715115670 + 15715115671.

It is an arithmetic number, because the mean of its divisors is an integer number (15715115671).

Almost surely, 231430231341 is an apocalyptic number.

It is an amenable number.

31430231341 is a deficient number, since it is larger than the sum of its proper divisors (1).

31430231341 is an equidigital number, since it uses as much as digits as its factorization.

31430231341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31430231341 its reverse (14313203413), we get a palindrome (45743434754).

The spelling of 31430231341 in words is "thirty-one billion, four hundred thirty million, two hundred thirty-one thousand, three hundred forty-one".