1031000210249 has 2 divisors, whose sum is σ = 1031000210250. Its totient is φ = 1031000210248.

The previous prime is 1031000210159. The next prime is 1031000210263. The reversal of 1031000210249 is 9420120001301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 700306206649 + 330694003600 = 836843^2 + 575060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031000210249 is a prime.

It is a super-2 number, since 2×1031000210249² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1031000210549) 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, 515500105124 + 515500105125.

It is an arithmetic number, because the mean of its divisors is an integer number (515500105125).

Almost surely, 2^{1031000210249} is an apocalyptic number.

It is an amenable number.

1031000210249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031000210249 is an equidigital number, since it uses as much as digits as its factorization.

1031000210249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1031000210249 in words is "one trillion, thirty-one billion, two hundred ten thousand, two hundred forty-nine".