33231533422542 has 64 divisors (see below), whose sum is σ = 81971472199680. Its totient is φ = 8746063190784.

The previous prime is 33231533422541. The next prime is 33231533422559. The reversal of 33231533422542 is 24522433513233.

It is a super-3 number, since 3×33231533422542³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 33231533422494 and 33231533422503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33231533422541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63270423 + ... + 63793490.

It is an arithmetic number, because the mean of its divisors is an integer number (1280804253120).

Almost surely, 2^{33231533422542} is an apocalyptic number.

33231533422542 is an abundant number, since it is smaller than the sum of its proper divisors (48739938777138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33231533422542 is a wasteful number, since it uses less digits than its factorization.

33231533422542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127064417.

The product of its digits is 1555200, while the sum is 42.

Adding to 33231533422542 its reverse (24522433513233), we get a palindrome (57753966935775).

The spelling of 33231533422542 in words is "thirty-three trillion, two hundred thirty-one billion, five hundred thirty-three million, four hundred twenty-two thousand, five hundred forty-two".