33130022331 has 32 divisors (see below), whose sum is σ = 53943943680. Its totient is φ = 17654340096.

The previous prime is 33130022281. The next prime is 33130022357. The reversal of 33130022331 is 13322003133.

It is not a de Polignac number, because 33130022331 - 2¹⁷ = 33129891259 is a prime.

It is a super-2 number, since 2×33130022331² (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 = 33130022298 and 33130022307.

It is not an unprimeable number, because it can be changed into a prime (33130022831) 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, 386781 + ... + 464606.

It is an arithmetic number, because the mean of its divisors is an integer number (1685748240).

Almost surely, 2^33130022331 is an apocalyptic number.

33130022331 is a deficient number, since it is larger than the sum of its proper divisors (20813921349).

33130022331 is a wasteful number, since it uses less digits than its factorization.

33130022331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851523.

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

Adding to 33130022331 its reverse (13322003133), we get a palindrome (46452025464).

The spelling of 33130022331 in words is "thirty-three billion, one hundred thirty million, twenty-two thousand, three hundred thirty-one".