312040034423311 has 4 divisors (see below), whose sum is σ = 312549072000472. Its totient is φ = 311530996846152.

The previous prime is 312040034423309. The next prime is 312040034423323. The reversal of 312040034423311 is 113324430040213.

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 312040034423311 - 2¹ = 312040034423309 is a prime.

It is a super-2 number, since 2×312040034423311² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312040034423011) 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, 254518787661 + ... + 254518788886.

It is an arithmetic number, because the mean of its divisors is an integer number (78137268000118).

Almost surely, 2^{312040034423311} is an apocalyptic number.

312040034423311 is a deficient number, since it is larger than the sum of its proper divisors (509037577161).

312040034423311 is an equidigital number, since it uses as much as digits as its factorization.

312040034423311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509037577160.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 312040034423311 its reverse (113324430040213), we get a palindrome (425364464463524).

The spelling of 312040034423311 in words is "three hundred twelve trillion, forty billion, thirty-four million, four hundred twenty-three thousand, three hundred eleven".