Search a number
-
+
31094423753 is a prime number
BaseRepresentation
bin11100111101010111…
…110100000011001001
32222021000122101112012
4130331113310003021
51002140133030003
622141245225305
72150356145441
oct347527640311
988230571465
1031094423753
1112206a9a878
126039562235
132c17042913
14170d935121
15c1ec5c8d8
hex73d5f40c9

31094423753 has 2 divisors, whose sum is σ = 31094423754. Its totient is φ = 31094423752.

The previous prime is 31094423743. The next prime is 31094423807. The reversal of 31094423753 is 35732449013.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30845194384 + 249229369 = 175628^2 + 15787^2 .

It is an emirp because it is prime and its reverse (35732449013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31094423753 - 220 = 31093375177 is a prime.

It is a super-2 number, since 2×310944237532 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31094423753.

It is not a weakly prime, because it can be changed into another prime (31094423743) 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, 15547211876 + 15547211877.

It is an arithmetic number, because the mean of its divisors is an integer number (15547211877).

Almost surely, 231094423753 is an apocalyptic number.

It is an amenable number.

31094423753 is a deficient number, since it is larger than the sum of its proper divisors (1).

31094423753 is an equidigital number, since it uses as much as digits as its factorization.

31094423753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 31094423753 in words is "thirty-one billion, ninety-four million, four hundred twenty-three thousand, seven hundred fifty-three".