3131140144142 has 16 divisors (see below), whose sum is σ = 4858723753200. Its totient is φ = 1511566848960.

The previous prime is 3131140144133. The next prime is 3131140144163. The reversal of 3131140144142 is 2414410411313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5465642 + ... + 6011282.

It is an arithmetic number, because the mean of its divisors is an integer number (303670234575).

Almost surely, 2^{3131140144142} is an apocalyptic number.

3131140144142 is a deficient number, since it is larger than the sum of its proper divisors (1727583609058).

3131140144142 is a wasteful number, since it uses less digits than its factorization.

3131140144142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644611.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 3131140144142 its reverse (2414410411313), we get a palindrome (5545550555455).

The spelling of 3131140144142 in words is "three trillion, one hundred thirty-one billion, one hundred forty million, one hundred forty-four thousand, one hundred forty-two".