1011441231 has 24 divisors (see below), whose sum is σ = 1628331120. Its totient is φ = 601226496.

The previous prime is 1011441229. The next prime is 1011441239. The reversal of 1011441231 is 1321441101.

It is not a de Polignac number, because 1011441231 - 2¹ = 1011441229 is a prime.

It is a super-2 number, since 2×1011441231² = 2046026727533590722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011441239) 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 23 ways as a sum of consecutive naturals, for example, 171060 + ... + 176873.

It is an arithmetic number, because the mean of its divisors is an integer number (67847130).

Almost surely, 2^1011441231 is an apocalyptic number.

1011441231 is a deficient number, since it is larger than the sum of its proper divisors (616889889).

1011441231 is a wasteful number, since it uses less digits than its factorization.

1011441231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347975 (or 347972 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1011441231 is about 31803.1638520447. The cubic root of 1011441231 is about 1003.7992907758.

Adding to 1011441231 its reverse (1321441101), we get a palindrome (2332882332).

The spelling of 1011441231 in words is "one billion, eleven million, four hundred forty-one thousand, two hundred thirty-one".