Search a number
-
+
31033011041 = 295032127443
BaseRepresentation
bin11100111001101101…
…100010101101100001
32222002202002022010022
4130321231202231201
51002023422323131
622131213043225
72146012145564
oct347155425541
988082068108
1031033011041
111218536456a
126020a86515
132c073bc936
14170570a4db
15c1967b37b
hex739b62b61

31033011041 has 8 divisors (see below), whose sum is σ = 32166953280. Its totient is φ = 29903324752.

The previous prime is 31033010989. The next prime is 31033011043. The reversal of 31033011041 is 14011033013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31033011041 - 234 = 13853141857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31033011043) 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 in 7 ways as a sum of consecutive naturals, for example, 1049135 + ... + 1078308.

It is an arithmetic number, because the mean of its divisors is an integer number (4020869160).

Almost surely, 231033011041 is an apocalyptic number.

It is an amenable number.

31033011041 is a deficient number, since it is larger than the sum of its proper divisors (1133942239).

31033011041 is a wasteful number, since it uses less digits than its factorization.

31033011041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127975.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31033011041 its reverse (14011033013), we get a palindrome (45044044054).

The spelling of 31033011041 in words is "thirty-one billion, thirty-three million, eleven thousand, forty-one".

Divisors: 1 29 503 14587 2127443 61695847 1070103829 31033011041