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131333441244 = 22310944453437
BaseRepresentation
bin111101001010000010…
…1010100011011011100
3110112222212001002010120
41322110011110123130
54122432330104434
6140200031234540
712326364555105
oct1722405243334
9415885032116
10131333441244
1150775338295
1221553378a50
13c50021ac15
1464dc6133ac
153639e5c349
hex1e941546dc

131333441244 has 12 divisors (see below), whose sum is σ = 306444696264. Its totient is φ = 43777813744.

The previous prime is 131333441219. The next prime is 131333441249. The reversal of 131333441244 is 442144333131.

131333441244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131333441249) 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, 5472226707 + ... + 5472226730.

It is an arithmetic number, because the mean of its divisors is an integer number (25537058022).

Almost surely, 2131333441244 is an apocalyptic number.

It is an amenable number.

131333441244 is an abundant number, since it is smaller than the sum of its proper divisors (175111255020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131333441244 is a wasteful number, since it uses less digits than its factorization.

131333441244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10944453444 (or 10944453442 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

Adding to 131333441244 its reverse (442144333131), we get a palindrome (573477774375).

The spelling of 131333441244 in words is "one hundred thirty-one billion, three hundred thirty-three million, four hundred forty-one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 10944453437 21888906874 32833360311 43777813748 65666720622 131333441244