11342431002 has 64 divisors (see below), whose sum is σ = 27234662400. Its totient is φ = 3078951744.

The previous prime is 11342430977. The next prime is 11342431003. The reversal of 11342431002 is 20013424311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11342431002.

It is not an unprimeable number, because it can be changed into a prime (11342431003) 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, 104533 + ... + 183335.

It is an arithmetic number, because the mean of its divisors is an integer number (425541600).

Almost surely, 2^11342431002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11342431002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13617331200).

11342431002 is an abundant number, since it is smaller than the sum of its proper divisors (15892231398).

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

11342431002 is a wasteful number, since it uses less digits than its factorization.

11342431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78987.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11342431002 its reverse (20013424311), we get a palindrome (31355855313).

The spelling of 11342431002 in words is "eleven billion, three hundred forty-two million, four hundred thirty-one thousand, two".