11031231002001 has 8 divisors (see below), whose sum is σ = 16809494860224. Its totient is φ = 6303560572560.

The previous prime is 11031231001993. The next prime is 11031231002009. The reversal of 11031231002001 is 10020013213011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11031231001993) and next prime (11031231002009).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11031231002001 - 2³ = 11031231001993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11031231002009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262648357170 + ... + 262648357211.

It is an arithmetic number, because the mean of its divisors is an integer number (2101186857528).

Almost surely, 2^{11031231002001} is an apocalyptic number.

It is an amenable number.

11031231002001 is a deficient number, since it is larger than the sum of its proper divisors (5778263858223).

11031231002001 is an equidigital number, since it uses as much as digits as its factorization.

11031231002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525296714391.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11031231002001 its reverse (10020013213011), we get a palindrome (21051244215012).

The spelling of 11031231002001 in words is "eleven trillion, thirty-one billion, two hundred thirty-one million, two thousand, one".