2311231011001 has 32 divisors (see below), whose sum is σ = 2763514195200. Its totient is φ = 1908089057280.

The previous prime is 2311231010981. The next prime is 2311231011007. The reversal of 2311231011001 is 1001101321132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2311231011001 - 2⁹ = 2311231010489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311231011007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8229585 + ... + 8505793.

It is an arithmetic number, because the mean of its divisors is an integer number (86359818600).

Almost surely, 2^{2311231011001} is an apocalyptic number.

It is an amenable number.

2311231011001 is a deficient number, since it is larger than the sum of its proper divisors (452283184199).

2311231011001 is a wasteful number, since it uses less digits than its factorization.

2311231011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277809.

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

Adding to 2311231011001 its reverse (1001101321132), we get a palindrome (3312332332133).

The spelling of 2311231011001 in words is "two trillion, three hundred eleven billion, two hundred thirty-one million, eleven thousand, one".