312011143044403 has 8 divisors (see below), whose sum is σ = 346797977175216. Its totient is φ = 278294673040800.

The previous prime is 312011143044353. The next prime is 312011143044463. The reversal of 312011143044403 is 304440341110213.

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 312011143044403 - 2²¹ = 312011140947251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312011143044463) 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, 267591031188 + ... + 267591032353.

It is an arithmetic number, because the mean of its divisors is an integer number (43349747146902).

Almost surely, 2^{312011143044403} is an apocalyptic number.

312011143044403 is a deficient number, since it is larger than the sum of its proper divisors (34786834130813).

312011143044403 is a wasteful number, since it uses less digits than its factorization.

312011143044403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535182063605.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 312011143044403 its reverse (304440341110213), we get a palindrome (616451484154616).

The spelling of 312011143044403 in words is "three hundred twelve trillion, eleven billion, one hundred forty-three million, forty-four thousand, four hundred three".