1011053231 has 8 divisors (see below), whose sum is σ = 1041773040. Its totient is φ = 980512128.

The previous prime is 1011053227. The next prime is 1011053269. The reversal of 1011053231 is 1323501101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011053231 - 2² = 1011053227 is a prime.

It is a super-2 number, since 2×1011053231² = 2044457271831078722, 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 (1011055231) 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 7 ways as a sum of consecutive naturals, for example, 33146 + ... + 55863.

It is an arithmetic number, because the mean of its divisors is an integer number (130221630).

Almost surely, 2^1011053231 is an apocalyptic number.

1011053231 is a deficient number, since it is larger than the sum of its proper divisors (30719809).

1011053231 is an equidigital number, since it uses as much as digits as its factorization.

1011053231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89353.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1011053231 is about 31797.0632448973. The cubic root of 1011053231 is about 1003.6709182036.

Adding to 1011053231 its reverse (1323501101), we get a palindrome (2334554332).

The spelling of 1011053231 in words is "one billion, eleven million, fifty-three thousand, two hundred thirty-one".