143231001113442 has 16 divisors (see below), whose sum is σ = 312504002429472. Its totient is φ = 43403333670720.

The previous prime is 143231001113399. The next prime is 143231001113467. The reversal of 143231001113442 is 244311100132341.

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, 1085083341703 + ... + 1085083341834.

It is an arithmetic number, because the mean of its divisors is an integer number (19531500151842).

Almost surely, 2^{143231001113442} is an apocalyptic number.

143231001113442 is an abundant number, since it is smaller than the sum of its proper divisors (169273001316030).

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

143231001113442 is a wasteful number, since it uses less digits than its factorization.

143231001113442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170166683553.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 143231001113442 its reverse (244311100132341), we get a palindrome (387542101245783).

The spelling of 143231001113442 in words is "one hundred forty-three trillion, two hundred thirty-one billion, one million, one hundred thirteen thousand, four hundred forty-two".