2231231010311 has 32 divisors (see below), whose sum is σ = 2434345850880. Its totient is φ = 2037250569600.

The previous prime is 2231231010301. The next prime is 2231231010313. The reversal of 2231231010311 is 1130101321322.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231231010311 is a prime.

It is a super-3 number, since 3×2231231010311³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231231010313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510226721 + ... + 510231093.

It is an arithmetic number, because the mean of its divisors is an integer number (76073307840).

Almost surely, 2^{2231231010311} is an apocalyptic number.

2231231010311 is a deficient number, since it is larger than the sum of its proper divisors (203114840569).

2231231010311 is a wasteful number, since it uses less digits than its factorization.

2231231010311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2231231010311 its reverse (1130101321322), we get a palindrome (3361332331633).

The spelling of 2231231010311 in words is "two trillion, two hundred thirty-one billion, two hundred thirty-one million, ten thousand, three hundred eleven".