1020110231 has 16 divisors (see below), whose sum is σ = 1199784960. Its totient is φ = 849207840.

The previous prime is 1020110219. The next prime is 1020110233. The reversal of 1020110231 is 1320110201.

It is a cyclic number.

It is not a de Polignac number, because 1020110231 - 2¹⁴ = 1020093847 is a prime.

It is a super-2 number, since 2×1020110231² = 2081249766781746722, 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 (1020110233) 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, 31265 + ... + 54933.

It is an arithmetic number, because the mean of its divisors is an integer number (74986560).

Almost surely, 2^1020110231 is an apocalyptic number.

1020110231 is a deficient number, since it is larger than the sum of its proper divisors (179674729).

1020110231 is a wasteful number, since it uses less digits than its factorization.

1020110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23854.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1020110231 is about 31939.1645319661. The cubic root of 1020110231 is about 1006.6589700277.

Adding to 1020110231 its reverse (1320110201), we get a palindrome (2340220432).

The spelling of 1020110231 in words is "one billion, twenty million, one hundred ten thousand, two hundred thirty-one".