33220123031 has 8 divisors (see below), whose sum is σ = 34120318560. Its totient is φ = 32320051488.

The previous prime is 33220122983. The next prime is 33220123061. The reversal of 33220123031 is 13032102233.

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 33220123031 - 2⁶ = 33220122967 is a prime.

It is a super-2 number, since 2×33220123031² (a number of 22 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 = 33220122994 and 33220123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33220123061) 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, 835910 + ... + 874748.

It is an arithmetic number, because the mean of its divisors is an integer number (4265039820).

Almost surely, 2^33220123031 is an apocalyptic number.

33220123031 is a deficient number, since it is larger than the sum of its proper divisors (900195529).

33220123031 is a wasteful number, since it uses less digits than its factorization.

33220123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61993.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33220123031 its reverse (13032102233), we get a palindrome (46252225264).

The spelling of 33220123031 in words is "thirty-three billion, two hundred twenty million, one hundred twenty-three thousand, thirty-one".