131101144304442 has 16 divisors (see below), whose sum is σ = 282371695425120. Its totient is φ = 40338813632112.

The previous prime is 131101144304399. The next prime is 131101144304479. The reversal of 131101144304442 is 244403441101131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840391950592 + ... + 840391950747.

It is an arithmetic number, because the mean of its divisors is an integer number (17648230964070).

Almost surely, 2^{131101144304442} is an apocalyptic number.

131101144304442 is an abundant number, since it is smaller than the sum of its proper divisors (151270551120678).

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

131101144304442 is a wasteful number, since it uses less digits than its factorization.

131101144304442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680783901357.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 131101144304442 its reverse (244403441101131), we get a palindrome (375504585405573).

The spelling of 131101144304442 in words is "one hundred thirty-one trillion, one hundred one billion, one hundred forty-four million, three hundred four thousand, four hundred forty-two".