1013013231 has 16 divisors (see below), whose sum is σ = 1380672000. Its totient is φ = 660374528.

The previous prime is 1013013229. The next prime is 1013013241. The reversal of 1013013231 is 1323103101.

It is a cyclic number.

It is not a de Polignac number, because 1013013231 - 2¹ = 1013013229 is a prime.

It is a super-2 number, since 2×1013013231² = 2052391612362118722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1013013231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013013241) 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, 196120 + ... + 201218.

It is an arithmetic number, because the mean of its divisors is an integer number (86292000).

Almost surely, 2^1013013231 is an apocalyptic number.

1013013231 is a deficient number, since it is larger than the sum of its proper divisors (367658769).

1013013231 is a wasteful number, since it uses less digits than its factorization.

1013013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6558.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1013013231 is about 31827.8687787920. The cubic root of 1013013231 is about 1004.3190625093.

Adding to 1013013231 its reverse (1323103101), we get a palindrome (2336116332).

The spelling of 1013013231 in words is "one billion, thirteen million, thirteen thousand, two hundred thirty-one".