1001232131011 has 16 divisors (see below), whose sum is σ = 1146351232000. Its totient is φ = 856635520608.

The previous prime is 1001232130981. The next prime is 1001232131033. The reversal of 1001232131011 is 1101312321001.

It is a happy number.

It is not a de Polignac number, because 1001232131011 - 2⁵ = 1001232130979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001232131051) 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, 12382090 + ... + 12462688.

It is an arithmetic number, because the mean of its divisors is an integer number (71646952000).

Almost surely, 2^{1001232131011} is an apocalyptic number.

1001232131011 is a deficient number, since it is larger than the sum of its proper divisors (145119100989).

1001232131011 is an equidigital number, since it uses as much as digits as its factorization.

1001232131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83818.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1001232131011 its reverse (1101312321001), we get a palindrome (2102544452012).

The spelling of 1001232131011 in words is "one trillion, one billion, two hundred thirty-two million, one hundred thirty-one thousand, eleven".