100013231020442 has 64 divisors (see below), whose sum is σ = 153932301452160. Its totient is φ = 48723002265600.

The previous prime is 100013231020433. The next prime is 100013231020453. The reversal of 100013231020442 is 244020132310001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5206030217 + ... + 5206049427.

It is an arithmetic number, because the mean of its divisors is an integer number (2405192210190).

Almost surely, 2^{100013231020442} is an apocalyptic number.

100013231020442 is a deficient number, since it is larger than the sum of its proper divisors (53919070431718).

100013231020442 is a wasteful number, since it uses less digits than its factorization.

100013231020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20639.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 100013231020442 its reverse (244020132310001), we get a palindrome (344033363330443).

The spelling of 100013231020442 in words is "one hundred trillion, thirteen billion, two hundred thirty-one million, twenty thousand, four hundred forty-two".