Search a number
-
+
31100131113333 = 310366710371111
BaseRepresentation
bin1110001001001000100000…
…10001000111100101110101
311002010010212121110202220020
413010210100101013211311
513034021032031111313
6150051111502555353
76356624145512322
oct704442021074565
9132103777422806
1031100131113333
119a00545264477
1235a34b6b98b59
131447964432979
1479737c023b49
1538debc028323
hex1c4910447975

31100131113333 has 4 divisors (see below), whose sum is σ = 41466841484448. Its totient is φ = 20733420742220.

The previous prime is 31100131113307. The next prime is 31100131113367. The reversal of 31100131113333 is 33331113100113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31100131113333 - 218 = 31100130851189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100131113133) 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 3 ways as a sum of consecutive naturals, for example, 5183355185553 + ... + 5183355185558.

It is an arithmetic number, because the mean of its divisors is an integer number (10366710371112).

Almost surely, 231100131113333 is an apocalyptic number.

It is an amenable number.

31100131113333 is a deficient number, since it is larger than the sum of its proper divisors (10366710371115).

31100131113333 is a wasteful number, since it uses less digits than its factorization.

31100131113333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366710371114.

The product of its (nonzero) digits is 729, while the sum is 24.

Adding to 31100131113333 its reverse (33331113100113), we get a palindrome (64431244213446).

The spelling of 31100131113333 in words is "thirty-one trillion, one hundred billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred thirty-three".

Divisors: 1 3 10366710371111 31100131113333