312211240013441 has 4 divisors (see below), whose sum is σ = 312211765210800. Its totient is φ = 312210714816084.

The previous prime is 312211240013419. The next prime is 312211240013443. The reversal of 312211240013441 is 144310042112213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312211240013441 - 2¹⁰ = 312211240012417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312211240013443) 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, 261705971 + ... + 262896248.

It is an arithmetic number, because the mean of its divisors is an integer number (78052941302700).

Almost surely, 2^{312211240013441} is an apocalyptic number.

It is an amenable number.

312211240013441 is a deficient number, since it is larger than the sum of its proper divisors (525197359).

312211240013441 is an equidigital number, since it uses as much as digits as its factorization.

312211240013441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525197358.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 312211240013441 its reverse (144310042112213), we get a palindrome (456521282125654).

The spelling of 312211240013441 in words is "three hundred twelve trillion, two hundred eleven billion, two hundred forty million, thirteen thousand, four hundred forty-one".