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131933419 is a prime number
BaseRepresentation
bin1111101110100…
…10010011101011
3100012020220121221
413313102103223
5232233332134
621031442511
73161262352
oct767222353
9305226557
10131933419
1168522592
1238226437
1321444817
1413744999
15b8b15b4
hex7dd24eb

131933419 has 2 divisors, whose sum is σ = 131933420. Its totient is φ = 131933418.

The previous prime is 131933393. The next prime is 131933429. The reversal of 131933419 is 914339131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131933419 - 25 = 131933387 is a prime.

It is a super-2 number, since 2×1319334192 = 34812854098059122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131933429) 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, 65966709 + 65966710.

It is an arithmetic number, because the mean of its divisors is an integer number (65966710).

Almost surely, 2131933419 is an apocalyptic number.

131933419 is a deficient number, since it is larger than the sum of its proper divisors (1).

131933419 is an equidigital number, since it uses as much as digits as its factorization.

131933419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 34.

The square root of 131933419 is about 11486.2273614969. The cubic root of 131933419 is about 509.0787148140.

The spelling of 131933419 in words is "one hundred thirty-one million, nine hundred thirty-three thousand, four hundred nineteen".