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131133253 is a prime number
BaseRepresentation
bin1111101000011…
…10111101000101
3100010202021000011
413310032331011
5232032231003
621002350221
73151420456
oct764167505
9303667004
10131133253
1168026399
1237abb371
1321224554
14135b712d
15b7a446d
hex7d0ef45

131133253 has 2 divisors, whose sum is σ = 131133254. Its totient is φ = 131133252.

The previous prime is 131133241. The next prime is 131133259. The reversal of 131133253 is 352331131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88322404 + 42810849 = 9398^2 + 6543^2 .

It is a cyclic number.

It is not a de Polignac number, because 131133253 - 25 = 131133221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131133259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65566626 + 65566627.

It is an arithmetic number, because the mean of its divisors is an integer number (65566627).

Almost surely, 2131133253 is an apocalyptic number.

It is an amenable number.

131133253 is a deficient number, since it is larger than the sum of its proper divisors (1).

131133253 is an equidigital number, since it uses as much as digits as its factorization.

131133253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 22.

The square root of 131133253 is about 11451.3428470202. The cubic root of 131133253 is about 508.0474527872.

Adding to 131133253 its reverse (352331131), we get a palindrome (483464384).

It can be divided in two parts, 1311332 and 53, that multiplied together give a palindrome (69500596).

The spelling of 131133253 in words is "one hundred thirty-one million, one hundred thirty-three thousand, two hundred fifty-three".