33030313131 has 16 divisors (see below), whose sum is σ = 45316402560. Its totient is φ = 21387938880.

The previous prime is 33030313117. The next prime is 33030313157. The reversal of 33030313131 is 13131303033.

It is not a de Polignac number, because 33030313131 - 2¹⁸ = 33030050987 is a prime.

It is a super-2 number, since 2×33030313131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33030313098 and 33030313107.

It is not an unprimeable number, because it can be changed into a prime (33030313111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692130 + ... + 738311.

It is an arithmetic number, because the mean of its divisors is an integer number (2832275160).

Almost surely, 2^33030313131 is an apocalyptic number.

33030313131 is a deficient number, since it is larger than the sum of its proper divisors (12286089429).

33030313131 is a wasteful number, since it uses less digits than its factorization.

33030313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430666.

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 33030313131 its reverse (13131303033), we get a palindrome (46161616164).

The spelling of 33030313131 in words is "thirty-three billion, thirty million, three hundred thirteen thousand, one hundred thirty-one".