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131304134032 = 2413759901521
BaseRepresentation
bin111101001001001010…
…1100001010110010000
3110112220210220010012021
41322102111201112100
54122402324242112
6140153103141224
712325560503251
oct1722225412620
9415823803167
10131304134032
115075a840355
12215455a4814
13c4c7129386
1464d8784b28
1536375bd907
hex1e92561590

131304134032 has 20 divisors (see below), whose sum is σ = 256258711116. Its totient is φ = 65172853760.

The previous prime is 131304134021. The next prime is 131304134089. The reversal of 131304134032 is 230431403131.

131304134032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40495927696 + 90808206336 = 201236^2 + 301344^2 .

It is a super-2 number, since 2×1313041340322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131304133988 and 131304134006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29948569 + ... + 29952952.

Almost surely, 2131304134032 is an apocalyptic number.

It is an amenable number.

131304134032 is a deficient number, since it is larger than the sum of its proper divisors (124954577084).

131304134032 is a wasteful number, since it uses less digits than its factorization.

131304134032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59901666 (or 59901660 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 131304134032 its reverse (230431403131), we get a palindrome (361735537163).

The spelling of 131304134032 in words is "one hundred thirty-one billion, three hundred four million, one hundred thirty-four thousand, thirty-two".

Divisors: 1 2 4 8 16 137 274 548 1096 2192 59901521 119803042 239606084 479212168 958424336 8206508377 16413016754 32826033508 65652067016 131304134032