311432100231012 has 48 divisors (see below), whose sum is σ = 731309606852160. Its totient is φ = 103148610394752.

The previous prime is 311432100230989. The next prime is 311432100231061. The reversal of 311432100231012 is 210132001234113.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244127439 + ... + 245399817.

It is an arithmetic number, because the mean of its divisors is an integer number (15235616809420).

Almost surely, 2^{311432100231012} is an apocalyptic number.

It is an amenable number.

311432100231012 is an abundant number, since it is smaller than the sum of its proper divisors (419877506621148).

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

311432100231012 is a wasteful number, since it uses less digits than its factorization.

311432100231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402460 (or 1402458 counting only the distinct ones).

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

Adding to 311432100231012 its reverse (210132001234113), we get a palindrome (521564101465125).

The spelling of 311432100231012 in words is "three hundred eleven trillion, four hundred thirty-two billion, one hundred million, two hundred thirty-one thousand, twelve".