Search a number
BaseRepresentation
bin1101110010011011011010…
…00001010110011110101111
310222100120020011012022012112
412321031231001112132233
512433230331310310411
6144252452302354235
76246355642000514
oct671155501263657
9128316204168175
1030320003213231
11972a706411536
12349827788b97b
1313bc2194cc1b4
15378a5d63ab8b
hex1b936d0567af

30320003213231 has 2 divisors, whose sum is σ = 30320003213232. Its totient is φ = 30320003213230.

The previous prime is 30320003213189. The next prime is 30320003213251. The reversal of 30320003213231 is 13231230002303.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30320003213231 is a prime.

It is a super-2 number, since 2×303200032132312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30320003213197 and 30320003213206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30320003213251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160001606615 + 15160001606616.

It is an arithmetic number, because the mean of its divisors is an integer number (15160001606616).

Almost surely, 230320003213231 is an apocalyptic number.

30320003213231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30320003213231 is an equidigital number, since it uses as much as digits as its factorization.

30320003213231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30320003213231 its reverse (13231230002303), we get a palindrome (43551233215534).

The spelling of 30320003213231 in words is "thirty trillion, three hundred twenty billion, three million, two hundred thirteen thousand, two hundred thirty-one".