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131324324 = 2259556459
BaseRepresentation
bin1111101001111…
…01100110100100
3100011002222002212
413310331212210
5232104334244
621010422552
73153144515
oct764754644
9304088085
10131324324
11681469aa
1237b91a58
1321290501
1413626a0c
15b7e0d9e
hex7d3d9a4

131324324 has 12 divisors (see below), whose sum is σ = 233713200. Its totient is φ = 64549128.

The previous prime is 131324321. The next prime is 131324363. The reversal of 131324324 is 423423131.

It is a self number, because there is not a number n which added to its sum of digits gives 131324324.

It is not an unprimeable number, because it can be changed into a prime (131324321) 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, 277994 + ... + 278465.

It is an arithmetic number, because the mean of its divisors is an integer number (19476100).

Almost surely, 2131324324 is an apocalyptic number.

It is an amenable number.

131324324 is a deficient number, since it is larger than the sum of its proper divisors (102388876).

131324324 is a wasteful number, since it uses less digits than its factorization.

131324324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556522 (or 556520 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 131324324 is about 11459.6825435960. The cubic root of 131324324 is about 508.2940874715.

Adding to 131324324 its reverse (423423131), we get a palindrome (554747455).

The spelling of 131324324 in words is "one hundred thirty-one million, three hundred twenty-four thousand, three hundred twenty-four".

Divisors: 1 2 4 59 118 236 556459 1112918 2225836 32831081 65662162 131324324