11312021311233 has 8 divisors (see below), whose sum is σ = 15490335489408. Its totient is φ = 7337527336944.

The previous prime is 11312021311187. The next prime is 11312021311237. The reversal of 11312021311233 is 33211312021311.

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

It is not a de Polignac number, because 11312021311233 - 2¹⁰ = 11312021310209 is a prime.

It is a super-2 number, since 2×11312021311233² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11312021311237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50955050841 + ... + 50955051062.

It is an arithmetic number, because the mean of its divisors is an integer number (1936291936176).

Almost surely, 2^{11312021311233} is an apocalyptic number.

It is an amenable number.

11312021311233 is a deficient number, since it is larger than the sum of its proper divisors (4178314178175).

11312021311233 is a wasteful number, since it uses less digits than its factorization.

11312021311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101910101943.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11312021311233 its reverse (33211312021311), we get a palindrome (44523333332544).

The spelling of 11312021311233 in words is "eleven trillion, three hundred twelve billion, twenty-one million, three hundred eleven thousand, two hundred thirty-three".