20233033031213 has 4 divisors (see below), whose sum is σ = 21297929506560. Its totient is φ = 19168136555868.

The previous prime is 20233033031207. The next prime is 20233033031273. The reversal of 20233033031213 is 31213033033202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20233033031213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233033031273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532448237645 + ... + 532448237682.

It is an arithmetic number, because the mean of its divisors is an integer number (5324482376640).

Almost surely, 2^{20233033031213} is an apocalyptic number.

It is an amenable number.

20233033031213 is a deficient number, since it is larger than the sum of its proper divisors (1064896475347).

20233033031213 is a wasteful number, since it uses less digits than its factorization.

20233033031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064896475346.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 20233033031213 its reverse (31213033033202), we get a palindrome (51446066064415).

The spelling of 20233033031213 in words is "twenty trillion, two hundred thirty-three billion, thirty-three million, thirty-one thousand, two hundred thirteen".