1100313231 has 16 divisors (see below), whose sum is σ = 1496763360. Its totient is φ = 718739840.

The previous prime is 1100313229. The next prime is 1100313251. The reversal of 1100313231 is 1323130011.

It is a cyclic number.

It is not a de Polignac number, because 1100313231 - 2¹ = 1100313229 is a prime.

It is a super-2 number, since 2×1100313231² = 2421378412627318722, 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 1100313231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100313251) 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, 126325 + ... + 134753.

It is an arithmetic number, because the mean of its divisors is an integer number (93547710).

Almost surely, 2^1100313231 is an apocalyptic number.

1100313231 is a deficient number, since it is larger than the sum of its proper divisors (396450129).

1100313231 is an equidigital number, since it uses as much as digits as its factorization.

1100313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9306.

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

The square root of 1100313231 is about 33170.9697024371. The cubic root of 1100313231 is about 1032.3780886220.

Adding to 1100313231 its reverse (1323130011), we get a palindrome (2423443242).

The spelling of 1100313231 in words is "one billion, one hundred million, three hundred thirteen thousand, two hundred thirty-one".