311133113312 has 48 divisors (see below), whose sum is σ = 700358635872. Its totient is φ = 133283880960.

The previous prime is 311133113273. The next prime is 311133113321. The reversal of 311133113312 is 213311331113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203612 + ... + 814692.

It is an arithmetic number, because the mean of its divisors is an integer number (14590804914).

Almost surely, 2^311133113312 is an apocalyptic number.

311133113312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

311133113312 is an abundant number, since it is smaller than the sum of its proper divisors (389225522560).

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

311133113312 is a wasteful number, since it uses less digits than its factorization.

311133113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613371 (or 613363 counting only the distinct ones).

The product of its digits is 486, while the sum is 23.

Adding to 311133113312 its reverse (213311331113), we get a palindrome (524444444425).

The spelling of 311133113312 in words is "three hundred eleven billion, one hundred thirty-three million, one hundred thirteen thousand, three hundred twelve".