Search a number
-
+
312030131201387 is a prime number
BaseRepresentation
bin100011011110010100010110…
…1001000010010010101101011
31111220210210022100012022111022
41012330220231020102111223
5311344300202041421022
63023344355142323055
7122503301350464554
oct10674505510222553
91456723270168438
10312030131201387
11904712654aa955
122abb564372948b
1310515413406041
14570a4a605332b
152611946b72c42
hex11bca2d21256b

312030131201387 has 2 divisors, whose sum is σ = 312030131201388. Its totient is φ = 312030131201386.

The previous prime is 312030131201267. The next prime is 312030131201413. The reversal of 312030131201387 is 783102131030213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312030131201387 is a prime.

It is not a weakly prime, because it can be changed into another prime (312030131101387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156015065600693 + 156015065600694.

It is an arithmetic number, because the mean of its divisors is an integer number (156015065600694).

Almost surely, 2312030131201387 is an apocalyptic number.

312030131201387 is a deficient number, since it is larger than the sum of its proper divisors (1).

312030131201387 is an equidigital number, since it uses as much as digits as its factorization.

312030131201387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 312030131201387 in words is "three hundred twelve trillion, thirty billion, one hundred thirty-one million, two hundred one thousand, three hundred eighty-seven".