33149933131 has 16 divisors (see below), whose sum is σ = 38181777408. Its totient is φ = 28192572000.

The previous prime is 33149933119. The next prime is 33149933183. The reversal of 33149933131 is 13133994133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33149933131 - 2²¹ = 33147835979 is a prime.

It is a super-2 number, since 2×33149933131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33149993131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894021 + ... + 930361.

It is an arithmetic number, because the mean of its divisors is an integer number (2386361088).

Almost surely, 2^33149933131 is an apocalyptic number.

33149933131 is a deficient number, since it is larger than the sum of its proper divisors (5031844277).

33149933131 is a wasteful number, since it uses less digits than its factorization.

33149933131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37362.

The product of its digits is 78732, while the sum is 40.

The spelling of 33149933131 in words is "thirty-three billion, one hundred forty-nine million, nine hundred thirty-three thousand, one hundred thirty-one".