312402332431443 has 16 divisors (see below), whose sum is σ = 420812561370240. Its totient is φ = 206133711206976.

The previous prime is 312402332431439. The next prime is 312402332431463. The reversal of 312402332431443 is 344134233204213.

It is not a de Polignac number, because 312402332431443 - 2² = 312402332431439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312402332431463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443228533 + ... + 443932806.

It is an arithmetic number, because the mean of its divisors is an integer number (26300785085640).

Almost surely, 2^{312402332431443} is an apocalyptic number.

312402332431443 is a deficient number, since it is larger than the sum of its proper divisors (108410228938797).

312402332431443 is a wasteful number, since it uses less digits than its factorization.

312402332431443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887162546.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 312402332431443 its reverse (344134233204213), we get a palindrome (656536565635656).

The spelling of 312402332431443 in words is "three hundred twelve trillion, four hundred two billion, three hundred thirty-two million, four hundred thirty-one thousand, four hundred forty-three".