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30232231031 is a prime number
BaseRepresentation
bin11100001001111110…
…110011110001110111
32220000221021110110102
4130021332303301313
5443403422343111
621515525344315
72120116503152
oct341176636167
986027243412
1030232231031
1111904340702
125a3886809b
132b0a525a02
14166b21ac99
15bbe1ed13b
hex709fb3c77

30232231031 has 2 divisors, whose sum is σ = 30232231032. Its totient is φ = 30232231030.

The previous prime is 30232230983. The next prime is 30232231033. The reversal of 30232231031 is 13013223203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30232231031 - 214 = 30232214647 is a prime.

It is a super-2 number, since 2×302322310312 (a number of 22 digits) contains 22 as substring.

Together with 30232231033, 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 = 30232230994 and 30232231012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30232231033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116115515 + 15116115516.

It is an arithmetic number, because the mean of its divisors is an integer number (15116115516).

Almost surely, 230232231031 is an apocalyptic number.

30232231031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30232231031 is an equidigital number, since it uses as much as digits as its factorization.

30232231031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30232231031 its reverse (13013223203), we get a palindrome (43245454234).

The spelling of 30232231031 in words is "thirty billion, two hundred thirty-two million, two hundred thirty-one thousand, thirty-one".