312041142403 has 4 divisors (see below), whose sum is σ = 312451184088. Its totient is φ = 311631100720.

The previous prime is 312041142401. The next prime is 312041142449. The reversal of 312041142403 is 304241140213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312041142403 - 2¹ = 312041142401 is a prime.

It is a super-2 number, since 2×312041142403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312041142401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205019701 + ... + 205021222.

It is an arithmetic number, because the mean of its divisors is an integer number (78112796022).

Almost surely, 2^312041142403 is an apocalyptic number.

312041142403 is a deficient number, since it is larger than the sum of its proper divisors (410041685).

312041142403 is an equidigital number, since it uses as much as digits as its factorization.

312041142403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410041684.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 312041142403 its reverse (304241140213), we get a palindrome (616282282616).

The spelling of 312041142403 in words is "three hundred twelve billion, forty-one million, one hundred forty-two thousand, four hundred three".