1912086331 has 2 divisors, whose sum is σ = 1912086332. Its totient is φ = 1912086330.

The previous prime is 1912086277. The next prime is 1912086343. The reversal of 1912086331 is 1336802191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1912086331 - 2¹³ = 1912078139 is a prime.

It is a super-2 number, since 2×1912086331² = 7312148274394083122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1912086361) 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, 956043165 + 956043166.

It is an arithmetic number, because the mean of its divisors is an integer number (956043166).

Almost surely, 2^1912086331 is an apocalyptic number.

1912086331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912086331 is an equidigital number, since it uses as much as digits as its factorization.

1912086331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1912086331 is about 43727.4093790154. The cubic root of 1912086331 is about 1241.1830391304.

The spelling of 1912086331 in words is "one billion, nine hundred twelve million, eighty-six thousand, three hundred thirty-one".