311411330421 has 16 divisors (see below), whose sum is σ = 418035364800. Its totient is φ = 206197649280.

The previous prime is 311411330411. The next prime is 311411330429. The reversal of 311411330421 is 124033114113.

It is a happy number.

It is not a de Polignac number, because 311411330421 - 2¹⁸ = 311411068277 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 311411330391 and 311411330400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311411330429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8336241 + ... + 8373513.

It is an arithmetic number, because the mean of its divisors is an integer number (26127210300).

Almost surely, 2^311411330421 is an apocalyptic number.

It is an amenable number.

311411330421 is a deficient number, since it is larger than the sum of its proper divisors (106624034379).

311411330421 is a wasteful number, since it uses less digits than its factorization.

311411330421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56116.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 311411330421 its reverse (124033114113), we get a palindrome (435444444534).

The spelling of 311411330421 in words is "three hundred eleven billion, four hundred eleven million, three hundred thirty thousand, four hundred twenty-one".