Search a number
-
+
31103232319 is a prime number
BaseRepresentation
bin11100111101111001…
…011010100100111111
32222021122012220121101
4130331321122210333
51002144411413234
622142202113531
72150524053415
oct347571324477
988248186541
1031103232319
1112210a66885
1260404ab8a7
132c18b080a3
141710b892b5
15c208ec814
hex73de5a93f

31103232319 has 2 divisors, whose sum is σ = 31103232320. Its totient is φ = 31103232318.

The previous prime is 31103232299. The next prime is 31103232361. The reversal of 31103232319 is 91323230113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31103232319 - 213 = 31103224127 is a prime.

It is a super-2 number, since 2×311032323192 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31103232379) 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, 15551616159 + 15551616160.

It is an arithmetic number, because the mean of its divisors is an integer number (15551616160).

Almost surely, 231103232319 is an apocalyptic number.

31103232319 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103232319 is an equidigital number, since it uses as much as digits as its factorization.

31103232319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 31103232319 in words is "thirty-one billion, one hundred three million, two hundred thirty-two thousand, three hundred nineteen".