312061422503406 has 64 divisors (see below), whose sum is σ = 656432715170880. Its totient is φ = 98756390799360.

The previous prime is 312061422503387. The next prime is 312061422503437. The reversal of 312061422503406 is 604305224160213.

It is a Curzon number.

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, 29575620 + ... + 38714856.

It is an arithmetic number, because the mean of its divisors is an integer number (10256761174545).

Almost surely, 2^{312061422503406} is an apocalyptic number.

312061422503406 is an abundant number, since it is smaller than the sum of its proper divisors (344371292667474).

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

312061422503406 is a wasteful number, since it uses less digits than its factorization.

312061422503406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142549.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 312061422503406 its reverse (604305224160213), we get a palindrome (916366646663619).

The spelling of 312061422503406 in words is "three hundred twelve trillion, sixty-one billion, four hundred twenty-two million, five hundred three thousand, four hundred six".