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131955023 is a prime number
BaseRepresentation
bin1111101110101…
…11100101001111
3100012022000021002
413313113211033
5232240030043
621032130515
73161412344
oct767274517
9305260232
10131955023
1168537842
1238236a3b
13214515c5
141374c7cb
15b8b7bb8
hex7dd794f

131955023 has 2 divisors, whose sum is σ = 131955024. Its totient is φ = 131955022.

The previous prime is 131955013. The next prime is 131955029. The reversal of 131955023 is 320559131.

It is a strong prime.

It is an emirp because it is prime and its reverse (320559131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131955023 - 210 = 131953999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131955029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65977511 + 65977512.

It is an arithmetic number, because the mean of its divisors is an integer number (65977512).

Almost surely, 2131955023 is an apocalyptic number.

131955023 is a deficient number, since it is larger than the sum of its proper divisors (1).

131955023 is an equidigital number, since it uses as much as digits as its factorization.

131955023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 131955023 is about 11487.1677536284. The cubic root of 131955023 is about 509.1065003854.

The spelling of 131955023 in words is "one hundred thirty-one million, nine hundred fifty-five thousand, twenty-three".