20313202131142 has 32 divisors (see below), whose sum is σ = 32182350278400. Its totient is φ = 9596557750560.

The previous prime is 20313202131137. The next prime is 20313202131191. The reversal of 20313202131142 is 24113120231302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25954792 + ... + 26725972.

It is an arithmetic number, because the mean of its divisors is an integer number (1005698446200).

Almost surely, 2^{20313202131142} is an apocalyptic number.

20313202131142 is a deficient number, since it is larger than the sum of its proper divisors (11869148147258).

20313202131142 is a wasteful number, since it uses less digits than its factorization.

20313202131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778188.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20313202131142 its reverse (24113120231302), we get a palindrome (44426322362444).

The spelling of 20313202131142 in words is "twenty trillion, three hundred thirteen billion, two hundred two million, one hundred thirty-one thousand, one hundred forty-two".