311421052302 has 16 divisors (see below), whose sum is σ = 638033375952. Its totient is φ = 101275138880.

The previous prime is 311421052297. The next prime is 311421052381. The reversal of 311421052302 is 203250124113.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 632969373 + ... + 632969864.

It is an arithmetic number, because the mean of its divisors is an integer number (39877085997).

Almost surely, 2^311421052302 is an apocalyptic number.

311421052302 is an abundant number, since it is smaller than the sum of its proper divisors (326612323650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311421052302 is a wasteful number, since it uses less digits than its factorization.

311421052302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265939283.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 311421052302 its reverse (203250124113), we get a palindrome (514671176415).

The spelling of 311421052302 in words is "three hundred eleven billion, four hundred twenty-one million, fifty-two thousand, three hundred two".