33420431434 has 48 divisors (see below), whose sum is σ = 56371805784. Its totient is φ = 14763340800.

The previous prime is 33420431389. The next prime is 33420431449. The reversal of 33420431434 is 43413402433.

It can be written as a sum of positive squares in 12 ways, for example, as 1011430809 + 32409000625 = 31803^2 + 180025^2 .

It is a super-2 number, since 2×33420431434² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33420431396 and 33420431405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2988814 + ... + 2999974.

Almost surely, 2^33420431434 is an apocalyptic number.

33420431434 is a deficient number, since it is larger than the sum of its proper divisors (22951374350).

33420431434 is a wasteful number, since it uses less digits than its factorization.

33420431434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11323 (or 11270 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 33420431434 its reverse (43413402433), we get a palindrome (76833833867).

The spelling of 33420431434 in words is "thirty-three billion, four hundred twenty million, four hundred thirty-one thousand, four hundred thirty-four".