Search a number
-
+
31933293683 is a prime number
BaseRepresentation
bin11101101111010111…
…110110010001110011
310001102111010101201212
4131233113312101303
51010344410344213
622400413150335
72210223342404
oct355727662163
9101374111655
1031933293683
11125a756a205
12623248b3ab
13301ba84b65
14178d0db9ab
15c6d7119a8
hex76f5f6473

31933293683 has 2 divisors, whose sum is σ = 31933293684. Its totient is φ = 31933293682.

The previous prime is 31933293671. The next prime is 31933293703. The reversal of 31933293683 is 38639233913.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31933293683 - 26 = 31933293619 is a prime.

It is not a weakly prime, because it can be changed into another prime (31933223683) 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, 15966646841 + 15966646842.

It is an arithmetic number, because the mean of its divisors is an integer number (15966646842).

Almost surely, 231933293683 is an apocalyptic number.

31933293683 is a deficient number, since it is larger than the sum of its proper divisors (1).

31933293683 is an equidigital number, since it uses as much as digits as its factorization.

31933293683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 50.

The spelling of 31933293683 in words is "thirty-one billion, nine hundred thirty-three million, two hundred ninety-three thousand, six hundred eighty-three".