1020330231 has 16 divisors (see below), whose sum is σ = 1366832640. Its totient is φ = 677033280.

The previous prime is 1020330217. The next prime is 1020330239. The reversal of 1020330231 is 1320330201.

1020330231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020330231 - 2⁹ = 1020329719 is a prime.

It is a super-2 number, since 2×1020330231² = 2082147560585026722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020330231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020330239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789696 + ... + 790986.

It is an arithmetic number, because the mean of its divisors is an integer number (85427040).

Almost surely, 2^1020330231 is an apocalyptic number.

1020330231 is a deficient number, since it is larger than the sum of its proper divisors (346502409).

1020330231 is a wasteful number, since it uses less digits than its factorization.

1020330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1020330231 is about 31942.6083938053. The cubic root of 1020330231 is about 1006.7313311798.

Adding to 1020330231 its reverse (1320330201), we get a palindrome (2340660432).

The spelling of 1020330231 in words is "one billion, twenty million, three hundred thirty thousand, two hundred thirty-one".