312131402241342 has 16 divisors (see below), whose sum is σ = 657118741560960. Its totient is φ = 98567811234072.

The previous prime is 312131402241317. The next prime is 312131402241523. The reversal of 312131402241342 is 243142204131213.

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, 1368997378138 + ... + 1368997378365.

It is an arithmetic number, because the mean of its divisors is an integer number (41069921347560).

Almost surely, 2^{312131402241342} is an apocalyptic number.

312131402241342 is an abundant number, since it is smaller than the sum of its proper divisors (344987339319618).

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

312131402241342 is a wasteful number, since it uses less digits than its factorization.

312131402241342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737994756527.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 312131402241342 its reverse (243142204131213), we get a palindrome (555273606372555).

The spelling of 312131402241342 in words is "three hundred twelve trillion, one hundred thirty-one billion, four hundred two million, two hundred forty-one thousand, three hundred forty-two".