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30103013131 is a prime number
BaseRepresentation
bin11100000010010001…
…111000011100001011
32212200221010111211021
4130002101320130023
5443122332410011
621455032013311
72113660250452
oct340221703413
985627114737
1030103013131
1111848403354
125a01531237
132ab9822209
141657dc1b99
15bb2bc6471
hex70247870b

30103013131 has 2 divisors, whose sum is σ = 30103013132. Its totient is φ = 30103013130.

The previous prime is 30103013069. The next prime is 30103013137. The reversal of 30103013131 is 13131030103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30103013131 - 29 = 30103012619 is a prime.

It is a super-2 number, since 2×301030131312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30103013137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051506565 + 15051506566.

It is an arithmetic number, because the mean of its divisors is an integer number (15051506566).

Almost surely, 230103013131 is an apocalyptic number.

30103013131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103013131 is an equidigital number, since it uses as much as digits as its factorization.

30103013131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 30103013131 its reverse (13131030103), we get a palindrome (43234043234).

The spelling of 30103013131 in words is "thirty billion, one hundred three million, thirteen thousand, one hundred thirty-one".