109431052002 has 80 divisors (see below), whose sum is σ = 261613310112. Its totient is φ = 34069127040.

The previous prime is 109431051971. The next prime is 109431052051. The reversal of 109431052002 is 200250134901.

109431052002 is a `hidden beast` number, since 109 + 4 + 31 + 0 + 520 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 209113 + ... + 512435.

Almost surely, 2^109431052002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109431052002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130806655056).

109431052002 is an abundant number, since it is smaller than the sum of its proper divisors (152182258110).

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

109431052002 is a wasteful number, since it uses less digits than its factorization.

109431052002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303485 (or 303476 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 109431052002 its reverse (200250134901), we get a palindrome (309681186903).

The spelling of 109431052002 in words is "one hundred nine billion, four hundred thirty-one million, fifty-two thousand, two".