33321121131 has 16 divisors (see below), whose sum is σ = 46785150720. Its totient is φ = 21053308320.

The previous prime is 33321121121. The next prime is 33321121139. The reversal of 33321121131 is 13112112333.

It is a happy number.

It is not a de Polignac number, because 33321121131 - 2⁷ = 33321121003 is a prime.

It is a super-2 number, since 2×33321121131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33321121098 and 33321121107.

It is not an unprimeable number, because it can be changed into a prime (33321121139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2207685 + ... + 2222726.

It is an arithmetic number, because the mean of its divisors is an integer number (2924071920).

Almost surely, 2^33321121131 is an apocalyptic number.

33321121131 is a deficient number, since it is larger than the sum of its proper divisors (13464029589).

33321121131 is a wasteful number, since it uses less digits than its factorization.

33321121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430546.

The product of its digits is 324, while the sum is 21.

Adding to 33321121131 its reverse (13112112333), we get a palindrome (46433233464).

The spelling of 33321121131 in words is "thirty-three billion, three hundred twenty-one million, one hundred twenty-one thousand, one hundred thirty-one".