Search a number
-
+
31101103002163 is a prime number
BaseRepresentation
bin1110001001001010010100…
…01100100101001000110011
311002010020101100020211201211
413010211022030211020303
513034030024332032123
6150051352141540551
76356660216442415
oct704451214451063
9132106340224654
1031101103002163
119a009a3927987
1235a3728574757
131447a8a8a980c
147974311349b5
1538e02750540d
hex1c494a325233

31101103002163 has 2 divisors, whose sum is σ = 31101103002164. Its totient is φ = 31101103002162.

The previous prime is 31101103002131. The next prime is 31101103002187. The reversal of 31101103002163 is 36120030110113.

It is a strong prime.

It is an emirp because it is prime and its reverse (36120030110113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31101103002163 - 25 = 31101103002131 is a prime.

It is not a weakly prime, because it can be changed into another prime (31101103402163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15550551501081 + 15550551501082.

It is an arithmetic number, because the mean of its divisors is an integer number (15550551501082).

Almost surely, 231101103002163 is an apocalyptic number.

31101103002163 is a deficient number, since it is larger than the sum of its proper divisors (1).

31101103002163 is an equidigital number, since it uses as much as digits as its factorization.

31101103002163 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 22.

Adding to 31101103002163 its reverse (36120030110113), we get a palindrome (67221133112276).

The spelling of 31101103002163 in words is "thirty-one trillion, one hundred one billion, one hundred three million, two thousand, one hundred sixty-three".