2311123001213 has 8 divisors (see below), whose sum is σ = 2490007412256. Its totient is φ = 2132396550000.

The previous prime is 2311123001203. The next prime is 2311123001221. The reversal of 2311123001213 is 3121003211132.

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 2311123001213 - 2¹⁴ = 2311122984829 is a prime.

It is a super-3 number, since 3×2311123001213³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311123001203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39459563 + ... + 39518088.

It is an arithmetic number, because the mean of its divisors is an integer number (311250926532).

Almost surely, 2^{2311123001213} is an apocalyptic number.

It is an amenable number.

2311123001213 is a deficient number, since it is larger than the sum of its proper divisors (178884411043).

2311123001213 is a wasteful number, since it uses less digits than its factorization.

2311123001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78979915.

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

Adding to 2311123001213 its reverse (3121003211132), we get a palindrome (5432126212345).

The spelling of 2311123001213 in words is "two trillion, three hundred eleven billion, one hundred twenty-three million, one thousand, two hundred thirteen".