1031210099 has 2 divisors, whose sum is σ = 1031210100. Its totient is φ = 1031210098.

The previous prime is 1031210057. The next prime is 1031210107. The reversal of 1031210099 is 9900121301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031210099 - 2⁸ = 1031209843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031216099) 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, 515605049 + 515605050.

It is an arithmetic number, because the mean of its divisors is an integer number (515605050).

Almost surely, 2^1031210099 is an apocalyptic number.

1031210099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031210099 is an equidigital number, since it uses as much as digits as its factorization.

1031210099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1031210099 is about 32112.4601829259. The cubic root of 1031210099 is about 1010.2969747234.

The spelling of 1031210099 in words is "one billion, thirty-one million, two hundred ten thousand, ninety-nine".