311144013304421 has 8 divisors (see below), whose sum is σ = 351134309685600. Its totient is φ = 273104463088240.

The previous prime is 311144013304417. The next prime is 311144013304457. The reversal of 311144013304421 is 124403310441113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311144013304421 - 2² = 311144013304417 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 (311144013304021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487686540911 + ... + 487686541548.

It is an arithmetic number, because the mean of its divisors is an integer number (43891788710700).

Almost surely, 2^{311144013304421} is an apocalyptic number.

It is an amenable number.

311144013304421 is a deficient number, since it is larger than the sum of its proper divisors (39990296381179).

311144013304421 is a wasteful number, since it uses less digits than its factorization.

311144013304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975373082499.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 311144013304421 its reverse (124403310441113), we get a palindrome (435547323745534).

The spelling of 311144013304421 in words is "three hundred eleven trillion, one hundred forty-four billion, thirteen million, three hundred four thousand, four hundred twenty-one".