312132103341421 has 16 divisors (see below), whose sum is σ = 340800542424000. Its totient is φ = 283512469475200.

The previous prime is 312132103341337. The next prime is 312132103341427. The reversal of 312132103341421 is 124143301231213.

It is a cyclic number.

It is not a de Polignac number, because 312132103341421 - 2⁴⁵ = 276947731252589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312132103341427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675343130 + ... + 1675529428.

It is an arithmetic number, because the mean of its divisors is an integer number (21300033901500).

Almost surely, 2^{312132103341421} is an apocalyptic number.

It is an amenable number.

312132103341421 is a deficient number, since it is larger than the sum of its proper divisors (28668439082579).

312132103341421 is a wasteful number, since it uses less digits than its factorization.

312132103341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316460.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 312132103341421 its reverse (124143301231213), we get a palindrome (436275404572634).

The spelling of 312132103341421 in words is "three hundred twelve trillion, one hundred thirty-two billion, one hundred three million, three hundred forty-one thousand, four hundred twenty-one".