31130202004142 has 16 divisors (see below), whose sum is σ = 47158088640000. Its totient is φ = 15410899593432.

The previous prime is 31130202004093. The next prime is 31130202004177. The reversal of 31130202004142 is 24140020203113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14084978 + ... + 16144565.

It is an arithmetic number, because the mean of its divisors is an integer number (2947380540000).

Almost surely, 2^{31130202004142} is an apocalyptic number.

31130202004142 is a deficient number, since it is larger than the sum of its proper divisors (16027886635858).

31130202004142 is a wasteful number, since it uses less digits than its factorization.

31130202004142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30234647.

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

Adding to 31130202004142 its reverse (24140020203113), we get a palindrome (55270222207255).

The spelling of 31130202004142 in words is "thirty-one trillion, one hundred thirty billion, two hundred two million, four thousand, one hundred forty-two".