312040112433 has 16 divisors (see below), whose sum is σ = 491885892480. Its totient is φ = 172160061696.

The previous prime is 312040112429. The next prime is 312040112459. The reversal of 312040112433 is 334211040213.

It is a happy number.

It is not a de Polignac number, because 312040112433 - 2² = 312040112429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312040112473) 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, 256189960 + ... + 256191177.

It is an arithmetic number, because the mean of its divisors is an integer number (30742868280).

Almost surely, 2^312040112433 is an apocalyptic number.

It is an amenable number.

312040112433 is a deficient number, since it is larger than the sum of its proper divisors (179845780047).

312040112433 is a wasteful number, since it uses less digits than its factorization.

312040112433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512381176.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 312040112433 its reverse (334211040213), we get a palindrome (646251152646).

The spelling of 312040112433 in words is "three hundred twelve billion, forty million, one hundred twelve thousand, four hundred thirty-three".