1013033231 has 4 divisors (see below), whose sum is σ = 1157752272. Its totient is φ = 868314192.

The previous prime is 1013033227. The next prime is 1013033267. The reversal of 1013033231 is 1323303101.

1013033231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013033231 - 2² = 1013033227 is a prime.

It is a super-2 number, since 2×1013033231² = 2052472654220598722, 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 (1013033201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72359510 + ... + 72359523.

It is an arithmetic number, because the mean of its divisors is an integer number (289438068).

Almost surely, 2^1013033231 is an apocalyptic number.

1013033231 is a deficient number, since it is larger than the sum of its proper divisors (144719041).

1013033231 is an equidigital number, since it uses as much as digits as its factorization.

1013033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144719040.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1013033231 is about 31828.1829673012. The cubic root of 1013033231 is about 1004.3256719160.

Adding to 1013033231 its reverse (1323303101), we get a palindrome (2336336332).

The spelling of 1013033231 in words is "one billion, thirteen million, thirty-three thousand, two hundred thirty-one".