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131450311 is a prime number
BaseRepresentation
bin1111101010111…
…00010111000111
3100011100100221001
413311130113013
5232122402221
621013234131
73154211026
oct765342707
9304310831
10131450311
1168222623
1238032947
1321305965
141365a8bd
15b818391
hex7d5c5c7

131450311 has 2 divisors, whose sum is σ = 131450312. Its totient is φ = 131450310.

The previous prime is 131450309. The next prime is 131450321. The reversal of 131450311 is 113054131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131450311 - 21 = 131450309 is a prime.

Together with 131450309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131450321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65725155 + 65725156.

It is an arithmetic number, because the mean of its divisors is an integer number (65725156).

Almost surely, 2131450311 is an apocalyptic number.

131450311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131450311 is an equidigital number, since it uses as much as digits as its factorization.

131450311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 131450311 is about 11465.1781931202. The cubic root of 131450311 is about 508.4565807998.

The spelling of 131450311 in words is "one hundred thirty-one million, four hundred fifty thousand, three hundred eleven".