311440103300421 has 24 divisors (see below), whose sum is σ = 450800453376000. Its totient is φ = 207191729833632.

The previous prime is 311440103300411. The next prime is 311440103300441. The reversal of 311440103300421 is 124003301044113.

311440103300421 is a `hidden beast` number, since 311 + 4 + 4 + 0 + 1 + 0 + 3 + 300 + 42 + 1 = 666.

It is not a de Polignac number, because 311440103300421 - 2⁶ = 311440103300357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311440103300411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1066908475 + ... + 1067200343.

It is an arithmetic number, because the mean of its divisors is an integer number (18783352224000).

Almost surely, 2^{311440103300421} is an apocalyptic number.

It is an amenable number.

311440103300421 is a deficient number, since it is larger than the sum of its proper divisors (139360350075579).

311440103300421 is a wasteful number, since it uses less digits than its factorization.

311440103300421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539873 (or 539870 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 311440103300421 its reverse (124003301044113), we get a palindrome (435443404344534).

The spelling of 311440103300421 in words is "three hundred eleven trillion, four hundred forty billion, one hundred three million, three hundred thousand, four hundred twenty-one".