Search a number
-
+
31340334313 = 235923095309
BaseRepresentation
bin11101001100000001…
…111000110011101001
32222220011100221101201
4131030001320303221
51003141111144223
622221512044201
72156433306031
oct351401706351
988804327351
1031340334313
1112322890042
1260a7993661
132c55c82b22
1417344688c1
15c36634ead
hex74c078ce9

31340334313 has 8 divisors (see below), whose sum is σ = 33257246400. Its totient is φ = 29469613008.

The previous prime is 31340334299. The next prime is 31340334323. The reversal of 31340334313 is 31343304313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31340334313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31340334323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11546298 + ... + 11549011.

It is an arithmetic number, because the mean of its divisors is an integer number (4157155800).

Almost surely, 231340334313 is an apocalyptic number.

It is an amenable number.

31340334313 is a deficient number, since it is larger than the sum of its proper divisors (1916912087).

31340334313 is a wasteful number, since it uses less digits than its factorization.

31340334313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23095391.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 31340334313 its reverse (31343304313), we get a palindrome (62683638626).

The spelling of 31340334313 in words is "thirty-one billion, three hundred forty million, three hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 23 59 1357 23095309 531192107 1362623231 31340334313