311203003412 has 48 divisors (see below), whose sum is σ = 625888972800. Its totient is φ = 132627132000.

The previous prime is 311203003411. The next prime is 311203003427. The reversal of 311203003412 is 214300302113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311203003411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10410287 + ... + 10440137.

It is an arithmetic number, because the mean of its divisors is an integer number (13039353600).

Almost surely, 2^311203003412 is an apocalyptic number.

It is an amenable number.

311203003412 is an abundant number, since it is smaller than the sum of its proper divisors (314685969388).

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

311203003412 is a wasteful number, since it uses less digits than its factorization.

311203003412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31932 (or 31930 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 311203003412 its reverse (214300302113), we get a palindrome (525503305525).

The spelling of 311203003412 in words is "three hundred eleven billion, two hundred three million, three thousand, four hundred twelve".