311421012133 has 24 divisors (see below), whose sum is σ = 392327868800. Its totient is φ = 241970176800.

The previous prime is 311421012083. The next prime is 311421012157. The reversal of 311421012133 is 331210124113.

It is not a de Polignac number, because 311421012133 - 2¹³ = 311421003941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311421013133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231153 + ... + 822358.

Almost surely, 2^311421012133 is an apocalyptic number.

It is an amenable number.

311421012133 is a deficient number, since it is larger than the sum of its proper divisors (80906856667).

311421012133 is a wasteful number, since it uses less digits than its factorization.

311421012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053889 (or 1053878 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 311421012133 its reverse (331210124113), we get a palindrome (642631136246).

The spelling of 311421012133 in words is "three hundred eleven billion, four hundred twenty-one million, twelve thousand, one hundred thirty-three".