Search a number
-
+
31302010320233 = 732293322158057
BaseRepresentation
bin1110001111000000100010…
…01101001011010101101001
311002211102221220211001122012
413013200101031023111221
513100323004120221413
6150323540043005305
76410331665454542
oct707402115132551
9132742856731565
1031302010320233
119a79120869624
123616657b09835
1314609c7b85293
147a304d9194c9
1539438544e7a8
hex1c781134b569

31302010320233 has 16 divisors (see below), whose sum is σ = 31755045578256. Its totient is φ = 30849639367680.

The previous prime is 31302010320221. The next prime is 31302010320319. The reversal of 31302010320233 is 33202301020313.

It can be written as a sum of positive squares in 8 ways, for example, as 84446616409 + 31217563703824 = 290597^2 + 5587268^2 .

It is a cyclic number.

It is not a de Polignac number, because 31302010320233 - 28 = 31302010319977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31302010320199 and 31302010320208.

It is not an unprimeable number, because it can be changed into a prime (31302010320433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539130941 + ... + 539188997.

It is an arithmetic number, because the mean of its divisors is an integer number (1984690348641).

Almost surely, 231302010320233 is an apocalyptic number.

It is an amenable number.

31302010320233 is a deficient number, since it is larger than the sum of its proper divisors (453035258023).

31302010320233 is a wasteful number, since it uses less digits than its factorization.

31302010320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63644.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31302010320233 its reverse (33202301020313), we get a palindrome (64504311340546).

The spelling of 31302010320233 in words is "thirty-one trillion, three hundred two billion, ten million, three hundred twenty thousand, two hundred thirty-three".

Divisors: 1 73 2293 3221 58057 167389 235133 4238161 7385753 133124701 187001597 539159969 9718103173 13651116581 428794661921 31302010320233