Search a number
-
+
312030233111 is a prime number
BaseRepresentation
bin1001000101001100111…
…00111000001000010111
31002211101220221012010102
410202212130320020113
520103014214424421
6355202242444315
731354254135302
oct4424634701027
91084356835112
10312030233111
11110370a28513
125058236369b
132356931a53c
1411160b8db39
1581b390260b
hex48a6738217

312030233111 has 2 divisors, whose sum is σ = 312030233112. Its totient is φ = 312030233110.

The previous prime is 312030233083. The next prime is 312030233129. The reversal of 312030233111 is 111332030213.

It is a strong prime.

It is an emirp because it is prime and its reverse (111332030213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312030233111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312030239111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156015116555 + 156015116556.

It is an arithmetic number, because the mean of its divisors is an integer number (156015116556).

Almost surely, 2312030233111 is an apocalyptic number.

312030233111 is a deficient number, since it is larger than the sum of its proper divisors (1).

312030233111 is an equidigital number, since it uses as much as digits as its factorization.

312030233111 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 20.

Adding to 312030233111 its reverse (111332030213), we get a palindrome (423362263324).

The spelling of 312030233111 in words is "three hundred twelve billion, thirty million, two hundred thirty-three thousand, one hundred eleven".