Search a number
-
+
31032110212113 = 335874728833793
BaseRepresentation
bin1110000111001001110011…
…11001111110010000010001
311001212122022010010222011110
413003210321321332100101
513031412230203241423
6145555542111003533
76351665422423053
oct703447171762021
9131778263128143
1031032110212113
11998470a23362a
123592292b095a9
131441414024caa
14793d681c58d3
1538c33a54c193
hex1c3939e7e411

31032110212113 has 8 divisors (see below), whose sum is σ = 41376263719648. Its totient is φ = 20688015089664.

The previous prime is 31032110212079. The next prime is 31032110212193. The reversal of 31032110212113 is 31121201123013.

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

It is not a de Polignac number, because 31032110212113 - 28 = 31032110211857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31032110212113.

It is not an unprimeable number, because it can be changed into a prime (31032110212193) 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 in 7 ways as a sum of consecutive naturals, for example, 13340656 + ... + 15493137.

It is an arithmetic number, because the mean of its divisors is an integer number (5172032964956).

Almost surely, 231032110212113 is an apocalyptic number.

It is an amenable number.

31032110212113 is a deficient number, since it is larger than the sum of its proper divisors (10344153507535).

31032110212113 is a wasteful number, since it uses less digits than its factorization.

31032110212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29192543.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31032110212113 its reverse (31121201123013), we get a palindrome (62153311335126).

The spelling of 31032110212113 in words is "thirty-one trillion, thirty-two billion, one hundred ten million, two hundred twelve thousand, one hundred thirteen".

Divisors: 1 3 358747 1076241 28833793 86501379 10344036737371 31032110212113