33023130231 has 32 divisors (see below), whose sum is σ = 54934190080. Its totient is φ = 17180169984.

The previous prime is 33023130229. The next prime is 33023130263. The reversal of 33023130231 is 13203132033.

It is not a de Polignac number, because 33023130231 - 2¹ = 33023130229 is a prime.

It is a super-2 number, since 2×33023130231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 33023130198 and 33023130207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33023130211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808591 + ... + 848448.

It is an arithmetic number, because the mean of its divisors is an integer number (1716693440).

Almost surely, 2^33023130231 is an apocalyptic number.

33023130231 is a deficient number, since it is larger than the sum of its proper divisors (21911059849).

33023130231 is a wasteful number, since it uses less digits than its factorization.

33023130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657135.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33023130231 its reverse (13203132033), we get a palindrome (46226262264).

The spelling of 33023130231 in words is "thirty-three billion, twenty-three million, one hundred thirty thousand, two hundred thirty-one".