1101310231 has 8 divisors (see below), whose sum is σ = 1284327200. Its totient is φ = 943979904.

The previous prime is 1101310229. The next prime is 1101310241. The reversal of 1101310231 is 1320131011.

It is not a de Polignac number, because 1101310231 - 2¹ = 1101310229 is a prime.

It is a super-2 number, since 2×1101310231² = 2425768449810546722, 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 (1101310211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605066 + ... + 1605751.

It is an arithmetic number, because the mean of its divisors is an integer number (160540900).

Almost surely, 2^1101310231 is an apocalyptic number.

1101310231 is a deficient number, since it is larger than the sum of its proper divisors (183016969).

1101310231 is an frugal number, since it uses more digits than its factorization.

1101310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210838 (or 3210824 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1101310231 is about 33185.9945006926. The cubic root of 1101310231 is about 1032.6898090190.

Adding to 1101310231 its reverse (1320131011), we get a palindrome (2421441242).

The spelling of 1101310231 in words is "one billion, one hundred one million, three hundred ten thousand, two hundred thirty-one".