33115421234 has 32 divisors (see below), whose sum is σ = 57756119040. Its totient is φ = 13945822992.

The previous prime is 33115421231. The next prime is 33115421239. The reversal of 33115421234 is 43212451133.

It is a super-2 number, since 2×33115421234² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33115421197 and 33115421206.

It is not an unprimeable number, because it can be changed into a prime (33115421231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2308127 + ... + 2322429.

It is an arithmetic number, because the mean of its divisors is an integer number (1804878720).

Almost surely, 2^33115421234 is an apocalyptic number.

33115421234 is a deficient number, since it is larger than the sum of its proper divisors (24640697806).

33115421234 is a wasteful number, since it uses less digits than its factorization.

33115421234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17174.

The product of its digits is 8640, while the sum is 29.

Adding to 33115421234 its reverse (43212451133), we get a palindrome (76327872367).

The spelling of 33115421234 in words is "thirty-three billion, one hundred fifteen million, four hundred twenty-one thousand, two hundred thirty-four".