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231223311020003 is a prime number
BaseRepresentation
bin110100100100101111011111…
…010100010010111111100011
31010022200201210002211102212012
4310210233133110102333203
5220301330320110120003
62135434304521223135
766463222125064361
oct6444573724227743
91108621702742765
10231223311020003
116774728a100885
1221b24763031aab
139c03359630993
1441153a7428631
151bae9b02ec8d8
hexd24bdf512fe3

231223311020003 has 2 divisors, whose sum is σ = 231223311020004. Its totient is φ = 231223311020002.

The previous prime is 231223311019997. The next prime is 231223311020033. The reversal of 231223311020003 is 300020113322132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231223311020003 - 226 = 231223243911139 is a prime.

It is a super-2 number, since 2×2312233110200032 (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231223311020033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115611655510001 + 115611655510002.

It is an arithmetic number, because the mean of its divisors is an integer number (115611655510002).

Almost surely, 2231223311020003 is an apocalyptic number.

231223311020003 is a deficient number, since it is larger than the sum of its proper divisors (1).

231223311020003 is an equidigital number, since it uses as much as digits as its factorization.

231223311020003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231223311020003 its reverse (300020113322132), we get a palindrome (531243424342135).

The spelling of 231223311020003 in words is "two hundred thirty-one trillion, two hundred twenty-three billion, three hundred eleven million, twenty thousand, three".