1020030231 has 16 divisors (see below), whose sum is σ = 1531542528. Its totient is φ = 598257600.

The previous prime is 1020030229. The next prime is 1020030239. The reversal of 1020030231 is 1320300201.

It is a happy number.

It is not a de Polignac number, because 1020030231 - 2¹ = 1020030229 is a prime.

It is a super-2 number, since 2×1020030231² = 2080923344307826722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020030239) 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 in 15 ways as a sum of consecutive naturals, for example, 497526 + ... + 499571.

It is an arithmetic number, because the mean of its divisors is an integer number (95721408).

Almost surely, 2^1020030231 is an apocalyptic number.

1020030231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020030231 is a deficient number, since it is larger than the sum of its proper divisors (511512297).

1020030231 is a wasteful number, since it uses less digits than its factorization.

1020030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997142.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1020030231 is about 31937.9121264994. The cubic root of 1020030231 is about 1006.6326543021.

Adding to 1020030231 its reverse (1320300201), we get a palindrome (2340330432).

The spelling of 1020030231 in words is "one billion, twenty million, thirty thousand, two hundred thirty-one".