1113131001 has 16 divisors (see below), whose sum is σ = 1494097920. Its totient is φ = 737137680.

The previous prime is 1113130961. The next prime is 1113131003. The reversal of 1113131001 is 1001313111.

It is not a de Polignac number, because 1113131001 - 2¹⁸ = 1112868857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113131003) 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, 720636 + ... + 722178.

It is an arithmetic number, because the mean of its divisors is an integer number (93381120).

Almost surely, 2^1113131001 is an apocalyptic number.

It is an amenable number.

1113131001 is a deficient number, since it is larger than the sum of its proper divisors (380966919).

1113131001 is a wasteful number, since it uses less digits than its factorization.

1113131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 1113131001 is about 33363.6179243199. The cubic root of 1113131001 is about 1036.3714154660.

Adding to 1113131001 its reverse (1001313111), we get a palindrome (2114444112).

The spelling of 1113131001 in words is "one billion, one hundred thirteen million, one hundred thirty-one thousand, one".