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30431341 is a prime number
BaseRepresentation
bin111010000010…
…1100001101101
32010021001221201
41310011201231
530242300331
63004125501
7516443053
oct164054155
963231851
1030431341
11161a5576
12a236891
1363c6415
1440821d3
152a11a61
hex1d0586d

30431341 has 2 divisors, whose sum is σ = 30431342. Its totient is φ = 30431340.

The previous prime is 30431327. The next prime is 30431347. The reversal of 30431341 is 14313403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22752900 + 7678441 = 4770^2 + 2771^2 .

It is a cyclic number.

It is not a de Polignac number, because 30431341 - 211 = 30429293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30431347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215670 + 15215671.

It is an arithmetic number, because the mean of its divisors is an integer number (15215671).

Almost surely, 230431341 is an apocalyptic number.

It is an amenable number.

30431341 is a deficient number, since it is larger than the sum of its proper divisors (1).

30431341 is an equidigital number, since it uses as much as digits as its factorization.

30431341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30431341 is about 5516.4609125779. The cubic root of 30431341 is about 312.2053662450.

Adding to 30431341 its reverse (14313403), we get a palindrome (44744744).

The spelling of 30431341 in words is "thirty million, four hundred thirty-one thousand, three hundred forty-one".