2311231331001 has 8 divisors (see below), whose sum is σ = 3087115385760. Its totient is φ = 1538084081792.

The previous prime is 2311231330999. The next prime is 2311231331051. The reversal of 2311231331001 is 1001331321132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2311231331001 - 2¹ = 2311231330999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311231331051) 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, 684199416 + ... + 684202793.

It is an arithmetic number, because the mean of its divisors is an integer number (385889423220).

Almost surely, 2^{2311231331001} is an apocalyptic number.

It is an amenable number.

2311231331001 is a deficient number, since it is larger than the sum of its proper divisors (775884054759).

2311231331001 is a wasteful number, since it uses less digits than its factorization.

2311231331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368402775.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2311231331001 its reverse (1001331321132), we get a palindrome (3312562652133).

The spelling of 2311231331001 in words is "two trillion, three hundred eleven billion, two hundred thirty-one million, three hundred thirty-one thousand, one".