Search a number
-
+
133120303131 = 344373434377
BaseRepresentation
bin111101111111010010…
…1101010000000011011
3110201121101100001211110
41323332211222000123
54140112244200011
6141053222031403
712421562623014
oct1737645520033
9421541301743
10133120303131
1151501a39052
1221971878563
13c72648ac4a
14662ba6a00b
1536e1c6cba6
hex1efe96a01b

133120303131 has 4 divisors (see below), whose sum is σ = 177493737512. Its totient is φ = 88746868752.

The previous prime is 133120303051. The next prime is 133120303159. The reversal of 133120303131 is 131303021331.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-133120303131 is a prime.

It is a super-2 number, since 2×1331203031312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133120303098 and 133120303107.

It is not an unprimeable number, because it can be changed into a prime (133120303171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22186717186 + ... + 22186717191.

It is an arithmetic number, because the mean of its divisors is an integer number (44373434378).

Almost surely, 2133120303131 is an apocalyptic number.

133120303131 is a deficient number, since it is larger than the sum of its proper divisors (44373434381).

133120303131 is an equidigital number, since it uses as much as digits as its factorization.

133120303131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44373434380.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 133120303131 its reverse (131303021331), we get a palindrome (264423324462).

The spelling of 133120303131 in words is "one hundred thirty-three billion, one hundred twenty million, three hundred three thousand, one hundred thirty-one".

Divisors: 1 3 44373434377 133120303131