1020033231 has 16 divisors (see below), whose sum is σ = 1573065984. Its totient is φ = 575852544.

The previous prime is 1020033193. The next prime is 1020033263. The reversal of 1020033231 is 1323300201.

It is not a de Polignac number, because 1020033231 - 2⁹ = 1020032719 is a prime.

It is a super-2 number, since 2×1020033231² = 2080935584688598722, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1020033231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020033731) 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, 290866 + ... + 294351.

It is an arithmetic number, because the mean of its divisors is an integer number (98316624).

Almost surely, 2^1020033231 is an apocalyptic number.

1020033231 is a deficient number, since it is larger than the sum of its proper divisors (553032753).

1020033231 is an equidigital number, since it uses as much as digits as its factorization.

1020033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585310.

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

The square root of 1020033231 is about 31937.9590925907. The cubic root of 1020033231 is about 1006.6336411666.

Adding to 1020033231 its reverse (1323300201), we get a palindrome (2343333432).

The spelling of 1020033231 in words is "one billion, twenty million, thirty-three thousand, two hundred thirty-one".