312213303032142 has 64 divisors (see below), whose sum is σ = 629841330607104. Its totient is φ = 103173079806720.

The previous prime is 312213303032129. The next prime is 312213303032153. The reversal of 312213303032142 is 241230303312213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374742418 + ... + 375574634.

It is an arithmetic number, because the mean of its divisors is an integer number (9841270790736).

Almost surely, 2^{312213303032142} is an apocalyptic number.

312213303032142 is an abundant number, since it is smaller than the sum of its proper divisors (317628027574962).

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

312213303032142 is a wasteful number, since it uses less digits than its factorization.

312213303032142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833553.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 312213303032142 its reverse (241230303312213), we get a palindrome (553443606344355).

The spelling of 312213303032142 in words is "three hundred twelve trillion, two hundred thirteen billion, three hundred three million, thirty-two thousand, one hundred forty-two".