20311231232033 has 8 divisors (see below), whose sum is σ = 24434563888320. Its totient is φ = 16493330624400.

The previous prime is 20311231232023. The next prime is 20311231232111. The reversal of 20311231232033 is 33023213211302.

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

It is not a de Polignac number, because 20311231232033 - 2¹⁰ = 20311231231009 is a prime.

It is a super-2 number, since 2×20311231232033² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20311231231993 and 20311231232011.

It is not an unprimeable number, because it can be changed into a prime (20311231232023) 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, 76358012018 + ... + 76358012283.

It is an arithmetic number, because the mean of its divisors is an integer number (3054320486040).

Almost surely, 2^{20311231232033} is an apocalyptic number.

It is an amenable number.

20311231232033 is a deficient number, since it is larger than the sum of its proper divisors (4123332656287).

20311231232033 is a wasteful number, since it uses less digits than its factorization.

20311231232033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152716024327.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20311231232033 its reverse (33023213211302), we get a palindrome (53334444443335).

The spelling of 20311231232033 in words is "twenty trillion, three hundred eleven billion, two hundred thirty-one million, two hundred thirty-two thousand, thirty-three".