33013211220223 has 4 divisors (see below), whose sum is σ = 35552689006408. Its totient is φ = 30473733434040.

The previous prime is 33013211220193. The next prime is 33013211220233. The reversal of 33013211220223 is 32202211231033.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-33013211220223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33013211220233) 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, 1269738893073 + ... + 1269738893098.

It is an arithmetic number, because the mean of its divisors is an integer number (8888172251602).

Almost surely, 2^{33013211220223} is an apocalyptic number.

33013211220223 is a deficient number, since it is larger than the sum of its proper divisors (2539477786185).

33013211220223 is a wasteful number, since it uses less digits than its factorization.

33013211220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539477786184.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 33013211220223 its reverse (32202211231033), we get a palindrome (65215422451256).

The spelling of 33013211220223 in words is "thirty-three trillion, thirteen billion, two hundred eleven million, two hundred twenty thousand, two hundred twenty-three".