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30201320323381 is a prime number
BaseRepresentation
bin1101101110111110010101…
…11110000011100100110101
310221221012212221101211011111
412313133022332003210311
512424304301000322011
6144122143420235021
76234654605040424
oct667371276034465
9127835787354144
1030201320323381
119694342a807a9
12347927509ba71
1313b0c84160a5c
14765a7495d2bb
15375914105121
hex1b77caf83935

30201320323381 has 2 divisors, whose sum is σ = 30201320323382. Its totient is φ = 30201320323380.

The previous prime is 30201320323379. The next prime is 30201320323411. The reversal of 30201320323381 is 18332302310203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29155312988356 + 1046007335025 = 5399566^2 + 1022745^2 .

It is a cyclic number.

It is not a de Polignac number, because 30201320323381 - 21 = 30201320323379 is a prime.

It is a super-2 number, since 2×302013203233812 (a number of 28 digits) contains 22 as substring.

Together with 30201320323379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30202320323381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100660161690 + 15100660161691.

It is an arithmetic number, because the mean of its divisors is an integer number (15100660161691).

Almost surely, 230201320323381 is an apocalyptic number.

It is an amenable number.

30201320323381 is a deficient number, since it is larger than the sum of its proper divisors (1).

30201320323381 is an equidigital number, since it uses as much as digits as its factorization.

30201320323381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 30201320323381 its reverse (18332302310203), we get a palindrome (48533622633584).

The spelling of 30201320323381 in words is "thirty trillion, two hundred one billion, three hundred twenty million, three hundred twenty-three thousand, three hundred eighty-one".