31430504002142 has 16 divisors (see below), whose sum is σ = 54178548339552. Its totient is φ = 13395794916960.

The previous prime is 31430504002127. The next prime is 31430504002151. The reversal of 31430504002142 is 24120040503413.

It is a congruent number.

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, 6201754373 + ... + 6201759440.

It is an arithmetic number, because the mean of its divisors is an integer number (3386159271222).

Almost surely, 2^{31430504002142} is an apocalyptic number.

31430504002142 is a deficient number, since it is larger than the sum of its proper divisors (22748044337410).

31430504002142 is a wasteful number, since it uses less digits than its factorization.

31430504002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12403514003.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 31430504002142 its reverse (24120040503413), we get a palindrome (55550544505555).

The spelling of 31430504002142 in words is "thirty-one trillion, four hundred thirty billion, five hundred four million, two thousand, one hundred forty-two".