33531401012 has 12 divisors (see below), whose sum is σ = 58768730916. Its totient is φ = 16740335040.

The previous prime is 33531400951. The next prime is 33531401027. The reversal of 33531401012 is 21010413533.

It can be written as a sum of positive squares in 2 ways, for example, as 23875194256 + 9656206756 = 154516^2 + 98266^2 .

It is a super-2 number, since 2×33531401012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6338393 + ... + 6343680.

It is an arithmetic number, because the mean of its divisors is an integer number (4897394243).

Almost surely, 2^33531401012 is an apocalyptic number.

It is an amenable number.

33531401012 is a deficient number, since it is larger than the sum of its proper divisors (25237329904).

33531401012 is a wasteful number, since it uses less digits than its factorization.

33531401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12682738 (or 12682736 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 33531401012 its reverse (21010413533), we get a palindrome (54541814545).

The spelling of 33531401012 in words is "thirty-three billion, five hundred thirty-one million, four hundred one thousand, twelve".