311342322453400 has 96 divisors (see below), whose sum is σ = 827287830190080. Its totient is φ = 106745061456000.

The previous prime is 311342322453361. The next prime is 311342322453451. The reversal of 311342322453400 is 4354223243113.

It is a self number, because there is not a number n which added to its sum of digits gives 311342322453400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182566665 + ... + 184264135.

It is an arithmetic number, because the mean of its divisors is an integer number (8617581564480).

Almost surely, 2^{311342322453400} is an apocalyptic number.

It is an amenable number.

311342322453400 is an abundant number, since it is smaller than the sum of its proper divisors (515945507736680).

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

311342322453400 is a wasteful number, since it uses less digits than its factorization.

311342322453400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828505 (or 1828496 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 311342322453400 its reverse (4354223243113), we get a palindrome (315696545696513).

The spelling of 311342322453400 in words is "three hundred eleven trillion, three hundred forty-two billion, three hundred twenty-two million, four hundred fifty-three thousand, four hundred".