311441033031421 has 16 divisors (see below), whose sum is σ = 328500570682368. Its totient is φ = 294677862336000.

The previous prime is 311441033031347. The next prime is 311441033031431. The reversal of 311441033031421 is 124130330144113.

It is a cyclic number.

It is not a de Polignac number, because 311441033031421 - 2²¹ = 311441030934269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311441033031431) 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, 31423090 + ... + 40128451.

It is an arithmetic number, because the mean of its divisors is an integer number (20531285667648).

Almost surely, 2^{311441033031421} is an apocalyptic number.

It is an amenable number.

311441033031421 is a deficient number, since it is larger than the sum of its proper divisors (17059537650947).

311441033031421 is a wasteful number, since it uses less digits than its factorization.

311441033031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71553612.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 311441033031421 its reverse (124130330144113), we get a palindrome (435571363175534).

The spelling of 311441033031421 in words is "three hundred eleven trillion, four hundred forty-one billion, thirty-three million, thirty-one thousand, four hundred twenty-one".