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30103203213131 is a prime number
BaseRepresentation
bin1101101100000111100101…
…01110111110111101001011
310221120211121222202012002012
412312003302232332331023
512421202330010310011
6144005115354130135
76224612303256416
oct666036256767513
9127524558665065
1030103203213131
119656773474634
123462251a2094b
1313a4948773b79
147610079d0b7d
153730c0348a8b
hex1b60f2bbef4b

30103203213131 has 2 divisors, whose sum is σ = 30103203213132. Its totient is φ = 30103203213130.

The previous prime is 30103203213119. The next prime is 30103203213203. The reversal of 30103203213131 is 13131230230103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30103203213131 - 26 = 30103203213067 is a prime.

It is a super-2 number, since 2×301032032131312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30103203213097 and 30103203213106.

It is not a weakly prime, because it can be changed into another prime (30103203213731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051601606565 + 15051601606566.

It is an arithmetic number, because the mean of its divisors is an integer number (15051601606566).

Almost surely, 230103203213131 is an apocalyptic number.

30103203213131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103203213131 is an equidigital number, since it uses as much as digits as its factorization.

30103203213131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 30103203213131 its reverse (13131230230103), we get a palindrome (43234433443234).

The spelling of 30103203213131 in words is "thirty trillion, one hundred three billion, two hundred three million, two hundred thirteen thousand, one hundred thirty-one".