312243400143401 has 8 divisors (see below), whose sum is σ = 315335655577344. Its totient is φ = 309151159153200.

The previous prime is 312243400143373. The next prime is 312243400143403. The reversal of 312243400143401 is 104341004342213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312243400143401 is a prime.

It is a super-2 number, since 2×312243400143401² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312243400143403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42774920 + ... + 49539686.

It is an arithmetic number, because the mean of its divisors is an integer number (39416956947168).

Almost surely, 2^{312243400143401} is an apocalyptic number.

It is an amenable number.

312243400143401 is a deficient number, since it is larger than the sum of its proper divisors (3092255433943).

312243400143401 is a wasteful number, since it uses less digits than its factorization.

312243400143401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221871.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 312243400143401 its reverse (104341004342213), we get a palindrome (416584404485614).

The spelling of 312243400143401 in words is "three hundred twelve trillion, two hundred forty-three billion, four hundred million, one hundred forty-three thousand, four hundred one".