312420100043 has 8 divisors (see below), whose sum is σ = 314185945920. Its totient is φ = 310659113160.

The previous prime is 312420100039. The next prime is 312420100063. The reversal of 312420100043 is 340001024213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312420100043 - 2² = 312420100039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312420099988 and 312420100024.

It is not an unprimeable number, because it can be changed into a prime (312420100063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085753 + ... + 1343018.

It is an arithmetic number, because the mean of its divisors is an integer number (39273243240).

Almost surely, 2^312420100043 is an apocalyptic number.

312420100043 is a deficient number, since it is larger than the sum of its proper divisors (1765845877).

312420100043 is a wasteful number, since it uses less digits than its factorization.

312420100043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429497.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 312420100043 its reverse (340001024213), we get a palindrome (652421124256).

The spelling of 312420100043 in words is "three hundred twelve billion, four hundred twenty million, one hundred thousand, forty-three".