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130031021233 is a prime number
BaseRepresentation
bin111100100011001110…
…0111110110010110001
3110102122002022021202101
41321012130332302301
54112300420134413
6135422504020401
712252201305161
oct1710634766261
9412562267671
10130031021233
1150167137913
122124b161701
13c3534465a9
1464176625a1
1535b093eedd
hex1e4673ecb1

130031021233 has 2 divisors, whose sum is σ = 130031021234. Its totient is φ = 130031021232.

The previous prime is 130031021227. The next prime is 130031021257. The reversal of 130031021233 is 332120130031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90067812769 + 39963208464 = 300113^2 + 199908^2 .

It is an emirp because it is prime and its reverse (332120130031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130031021233 - 217 = 130030890161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130031021233.

It is not a weakly prime, because it can be changed into another prime (130031021273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65015510616 + 65015510617.

It is an arithmetic number, because the mean of its divisors is an integer number (65015510617).

Almost surely, 2130031021233 is an apocalyptic number.

It is an amenable number.

130031021233 is a deficient number, since it is larger than the sum of its proper divisors (1).

130031021233 is an equidigital number, since it uses as much as digits as its factorization.

130031021233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 130031021233 its reverse (332120130031), we get a palindrome (462151151264).

The spelling of 130031021233 in words is "one hundred thirty billion, thirty-one million, twenty-one thousand, two hundred thirty-three".