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131243153 is a prime number
BaseRepresentation
bin1111101001010…
…01110010010001
3100010221211202112
413310221302101
5232044240103
621004555105
73152356046
oct764516221
9303854675
10131243153
11680a0a18
1237b52a95
1321262592
14136051cd
15b7c6cd8
hex7d29c91

131243153 has 2 divisors, whose sum is σ = 131243154. Its totient is φ = 131243152.

The previous prime is 131243141. The next prime is 131243159. The reversal of 131243153 is 351342131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95804944 + 35438209 = 9788^2 + 5953^2 .

It is a cyclic number.

It is not a de Polignac number, because 131243153 - 28 = 131242897 is a prime.

It is not a weakly prime, because it can be changed into another prime (131243159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65621576 + 65621577.

It is an arithmetic number, because the mean of its divisors is an integer number (65621577).

Almost surely, 2131243153 is an apocalyptic number.

It is an amenable number.

131243153 is a deficient number, since it is larger than the sum of its proper divisors (1).

131243153 is an equidigital number, since it uses as much as digits as its factorization.

131243153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 131243153 is about 11456.1404059133. The cubic root of 131243153 is about 508.1893410908.

Adding to 131243153 its reverse (351342131), we get a palindrome (482585284).

The spelling of 131243153 in words is "one hundred thirty-one million, two hundred forty-three thousand, one hundred fifty-three".