3531234021504 has 64 divisors (see below), whose sum is σ = 10719817573440. Its totient is φ = 1008924005376.

The previous prime is 3531234021503. The next prime is 3531234021541. The reversal of 3531234021504 is 4051204321353.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3531234021504² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3531234021503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656848879 + ... + 656854254.

It is an arithmetic number, because the mean of its divisors is an integer number (167497149585).

Almost surely, 2^{3531234021504} is an apocalyptic number.

It is an amenable number.

3531234021504 is an abundant number, since it is smaller than the sum of its proper divisors (7188583551936).

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

3531234021504 is a wasteful number, since it uses less digits than its factorization.

3531234021504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313703157 (or 1313703145 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 3531234021504 its reverse (4051204321353), we get a palindrome (7582438342857).

The spelling of 3531234021504 in words is "three trillion, five hundred thirty-one billion, two hundred thirty-four million, twenty-one thousand, five hundred four".