1030257311 has 16 divisors (see below), whose sum is σ = 1101686400. Its totient is φ = 960670368.

The previous prime is 1030257299. The next prime is 1030257329. The reversal of 1030257311 is 1137520301.

It is a cyclic number.

It is not a de Polignac number, because 1030257311 - 2¹⁴ = 1030240927 is a prime.

It is a super-2 number, since 2×1030257311² = 2122860253737901442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030257391) 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 in 15 ways as a sum of consecutive naturals, for example, 329825 + ... + 332933.

It is an arithmetic number, because the mean of its divisors is an integer number (68855400).

Almost surely, 2^1030257311 is an apocalyptic number.

1030257311 is a deficient number, since it is larger than the sum of its proper divisors (71429089).

1030257311 is a wasteful number, since it uses less digits than its factorization.

1030257311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1030257311 is about 32097.6215785531. The cubic root of 1030257311 is about 1009.9857237468.

Adding to 1030257311 its reverse (1137520301), we get a palindrome (2167777612).

The spelling of 1030257311 in words is "one billion, thirty million, two hundred fifty-seven thousand, three hundred eleven".