31282000019 has 2 divisors, whose sum is σ = 31282000020. Its totient is φ = 31282000018.

The previous prime is 31281999997. The next prime is 31282000027. The reversal of 31282000019 is 91000028213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31282000019 - 2¹² = 31281995923 is a prime.

It is a super-2 number, since 2×31282000019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31282008019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15641000009 + 15641000010.

It is an arithmetic number, because the mean of its divisors is an integer number (15641000010).

Almost surely, 2^31282000019 is an apocalyptic number.

31282000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

31282000019 is an equidigital number, since it uses as much as digits as its factorization.

31282000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 31282000019 in words is "thirty-one billion, two hundred eighty-two million, nineteen", and thus it is an aban number.