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102012203230031 is a prime number
BaseRepresentation
bin10111001100011110010001…
…001000101110001101001111
3111101012021022211200200210102
4113030132101020232031033
5101332331443011330111
61000543431553201315
730326065331323403
oct2714362110561517
9441167284620712
10102012203230031
112a5601502a8336
12b53679456023b
1344bc92b98a393
141b295ba2a3103
15bbd888cb413b
hex5cc79122e34f

102012203230031 has 2 divisors, whose sum is σ = 102012203230032. Its totient is φ = 102012203230030.

The previous prime is 102012203230001. The next prime is 102012203230033. The reversal of 102012203230031 is 130032302210201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102012203230031 is a prime.

It is a super-2 number, since 2×1020122032300312 (a number of 29 digits) contains 22 as substring.

Together with 102012203230033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102012203229985 and 102012203230012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102012203230033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006101615015 + 51006101615016.

It is an arithmetic number, because the mean of its divisors is an integer number (51006101615016).

Almost surely, 2102012203230031 is an apocalyptic number.

102012203230031 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012203230031 is an equidigital number, since it uses as much as digits as its factorization.

102012203230031 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 20.

Adding to 102012203230031 its reverse (130032302210201), we get a palindrome (232044505440232).

The spelling of 102012203230031 in words is "one hundred two trillion, twelve billion, two hundred three million, two hundred thirty thousand, thirty-one".