1013343231 has 16 divisors (see below), whose sum is σ = 1389484800. Its totient is φ = 656639808.

The previous prime is 1013343217. The next prime is 1013343251. The reversal of 1013343231 is 1323433101.

It is not a de Polignac number, because 1013343231 - 2¹¹ = 1013341183 is a prime.

It is a super-2 number, since 2×1013343231² = 2053729007627038722, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1013343198 and 1013343207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013343251) 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, 16411 + ... + 47916.

It is an arithmetic number, because the mean of its divisors is an integer number (86842800).

Almost surely, 2^1013343231 is an apocalyptic number.

1013343231 is a deficient number, since it is larger than the sum of its proper divisors (376141569).

1013343231 is an equidigital number, since it uses as much as digits as its factorization.

1013343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64478.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1013343231 is about 31833.0524926530. The cubic root of 1013343231 is about 1004.4281065963.

Adding to 1013343231 its reverse (1323433101), we get a palindrome (2336776332).

The spelling of 1013343231 in words is "one billion, thirteen million, three hundred forty-three thousand, two hundred thirty-one".