2311231023213 has 16 divisors (see below), whose sum is σ = 3521900174976. Its totient is φ = 1320694318080.

The previous prime is 2311231023163. The next prime is 2311231023223. The reversal of 2311231023213 is 3123201321132.

It is not a de Polignac number, because 2311231023213 - 2¹³ = 2311231015021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311231023223) 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, 3802045 + ... + 4367837.

It is an arithmetic number, because the mean of its divisors is an integer number (220118760936).

Almost surely, 2^{2311231023213} is an apocalyptic number.

It is an amenable number.

2311231023213 is a deficient number, since it is larger than the sum of its proper divisors (1210669151763).

2311231023213 is a wasteful number, since it uses less digits than its factorization.

2311231023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760324.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2311231023213 its reverse (3123201321132), we get a palindrome (5434432344345).

The spelling of 2311231023213 in words is "two trillion, three hundred eleven billion, two hundred thirty-one million, twenty-three thousand, two hundred thirteen".