Search a number
-
+
131122233331 = 1071636374891
BaseRepresentation
bin111101000011101111…
…1100111111111110011
3110112110010121121100021
41322013133213333303
54122014242431311
6140123044304311
712321221410435
oct1720737477763
9415403547307
10131122233331
115067709a6a1
12214b46a2097
13c49853b31b
1464bc554655
15362663c171
hex1e877e7ff3

131122233331 has 8 divisors (see below), whose sum is σ = 132357530304. Its totient is φ = 129887119080.

The previous prime is 131122233323. The next prime is 131122233371. The reversal of 131122233331 is 133332221131.

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 131122233331 - 23 = 131122233323 is a prime.

It is a super-2 number, since 2×1311222333312 (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 = 131122233296 and 131122233305.

It is not an unprimeable number, because it can be changed into a prime (131122233371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713396 + ... + 1788286.

It is an arithmetic number, because the mean of its divisors is an integer number (16544691288).

Almost surely, 2131122233331 is an apocalyptic number.

131122233331 is a deficient number, since it is larger than the sum of its proper divisors (1235296973).

131122233331 is a wasteful number, since it uses less digits than its factorization.

131122233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91361.

The product of its digits is 1944, while the sum is 25.

Adding to 131122233331 its reverse (133332221131), we get a palindrome (264454454462).

The spelling of 131122233331 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 107 16363 74891 1750841 8013337 1225441433 131122233331