Search a number
-
+
31023033210193 is a prime number
BaseRepresentation
bin1110000110111000111001…
…10111111101010101010001
311001211202212112011111101011
413003130130313331111101
513031240133000211233
6145551441255210521
76351224453243443
oct703343467752521
9131752775144334
1031023033210193
119980881529752
12359057b076a41
1314405c862413b
14793746888493
1538bea87100cd
hex1c371cdfd551

31023033210193 has 2 divisors, whose sum is σ = 31023033210194. Its totient is φ = 31023033210192.

The previous prime is 31023033210179. The next prime is 31023033210209. The reversal of 31023033210193 is 39101233032013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19770544102464 + 11252489107729 = 4446408^2 + 3354473^2 .

It is an emirp because it is prime and its reverse (39101233032013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31023033210193 - 213 = 31023033202001 is a prime.

It is not a weakly prime, because it can be changed into another prime (31023033210133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511516605096 + 15511516605097.

It is an arithmetic number, because the mean of its divisors is an integer number (15511516605097).

Almost surely, 231023033210193 is an apocalyptic number.

It is an amenable number.

31023033210193 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023033210193 is an equidigital number, since it uses as much as digits as its factorization.

31023033210193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 31.

The spelling of 31023033210193 in words is "thirty-one trillion, twenty-three billion, thirty-three million, two hundred ten thousand, one hundred ninety-three".