311000324402421 has 32 divisors (see below), whose sum is σ = 460888217961600. Its totient is φ = 207267410960640.

The previous prime is 311000324402407. The next prime is 311000324402461. The reversal of 311000324402421 is 124204423000113.

311000324402421 is a `hidden beast` number, since 311 + 0 + 0 + 0 + 324 + 4 + 0 + 2 + 4 + 21 = 666.

It is not a de Polignac number, because 311000324402421 - 2⁵ = 311000324402389 is a prime.

It is a super-2 number, since 2×311000324402421² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311000324402461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1199074170 + ... + 1199333508.

It is an arithmetic number, because the mean of its divisors is an integer number (14402756811300).

Almost surely, 2^{311000324402421} is an apocalyptic number.

It is an amenable number.

311000324402421 is a deficient number, since it is larger than the sum of its proper divisors (149887893559179).

311000324402421 is a wasteful number, since it uses less digits than its factorization.

311000324402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273346 (or 273340 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 311000324402421 its reverse (124204423000113), we get a palindrome (435204747402534).

The spelling of 311000324402421 in words is "three hundred eleven trillion, three hundred twenty-four million, four hundred two thousand, four hundred twenty-one".