312402311122342 has 32 divisors (see below), whose sum is σ = 537622234260480. Its totient is φ = 133368033375360.

The previous prime is 312402311122337. The next prime is 312402311122411. The reversal of 312402311122342 is 243221113204213.

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 15 ways as a sum of consecutive naturals, for example, 12962238 + ... + 28157134.

It is an arithmetic number, because the mean of its divisors is an integer number (16800694820640).

Almost surely, 2^{312402311122342} is an apocalyptic number.

312402311122342 is a deficient number, since it is larger than the sum of its proper divisors (225219923138138).

312402311122342 is a wasteful number, since it uses less digits than its factorization.

312402311122342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15200596.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 312402311122342 its reverse (243221113204213), we get a palindrome (555623424326555).

The spelling of 312402311122342 in words is "three hundred twelve trillion, four hundred two billion, three hundred eleven million, one hundred twenty-two thousand, three hundred forty-two".