13433431321002 has 96 divisors (see below), whose sum is σ = 33774923855232. Its totient is φ = 3486637440000.

The previous prime is 13433431320977. The next prime is 13433431321019. The reversal of 13433431321002 is 20012313433431.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5945502 + ... + 7887702.

It is an arithmetic number, because the mean of its divisors is an integer number (351822123492).

Almost surely, 2^{13433431321002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13433431321002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16887461927616).

13433431321002 is an abundant number, since it is smaller than the sum of its proper divisors (20341492534230).

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

13433431321002 is a wasteful number, since it uses less digits than its factorization.

13433431321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943596 (or 1943585 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 13433431321002 its reverse (20012313433431), we get a palindrome (33445744754433).

The spelling of 13433431321002 in words is "thirteen trillion, four hundred thirty-three billion, four hundred thirty-one million, three hundred twenty-one thousand, two".