1020231043 has 16 divisors (see below), whose sum is σ = 1129300480. Its totient is φ = 915890976.

The previous prime is 1020231041. The next prime is 1020231071. The reversal of 1020231043 is 3401320201.

It is a happy number.

It is not a de Polignac number, because 1020231043 - 2¹ = 1020231041 is a prime.

It is a super-2 number, since 2×1020231043² = 2081742762201735698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020231041) 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, 61396 + ... + 76222.

It is an arithmetic number, because the mean of its divisors is an integer number (70581280).

Almost surely, 2^1020231043 is an apocalyptic number.

1020231043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1020231043 is a deficient number, since it is larger than the sum of its proper divisors (109069437).

1020231043 is a wasteful number, since it uses less digits than its factorization.

1020231043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14986.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1020231043 is about 31941.0557590071. The cubic root of 1020231043 is about 1006.6987081133.

Adding to 1020231043 its reverse (3401320201), we get a palindrome (4421551244).

The spelling of 1020231043 in words is "one billion, twenty million, two hundred thirty-one thousand, forty-three".