312401041421 has 16 divisors (see below), whose sum is σ = 361400586624. Its totient is φ = 264504766464.

The previous prime is 312401041417. The next prime is 312401041441. The reversal of 312401041421 is 124140104213.

It is a cyclic number.

It is not a de Polignac number, because 312401041421 - 2² = 312401041417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312401041411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84740 + ... + 794973.

It is an arithmetic number, because the mean of its divisors is an integer number (22587536664).

Almost surely, 2^312401041421 is an apocalyptic number.

It is an amenable number.

312401041421 is a deficient number, since it is larger than the sum of its proper divisors (48999545203).

312401041421 is an equidigital number, since it uses as much as digits as its factorization.

312401041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880340.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 312401041421 its reverse (124140104213), we get a palindrome (436541145634).

The spelling of 312401041421 in words is "three hundred twelve billion, four hundred one million, forty-one thousand, four hundred twenty-one".