31344212101400 has 96 divisors (see below), whose sum is σ = 79710085281600. Its totient is φ = 11367821404800.

The previous prime is 31344212101381. The next prime is 31344212101439. The reversal of 31344212101400 is 410121244313.

It is a self number, because there is not a number n which added to its sum of digits gives 31344212101400.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 17962202 + ... + 19629801.

It is an arithmetic number, because the mean of its divisors is an integer number (830313388350).

Almost surely, 2^{31344212101400} is an apocalyptic number.

It is an amenable number.

31344212101400 is an abundant number, since it is smaller than the sum of its proper divisors (48365873180200).

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

31344212101400 is a wasteful number, since it uses less digits than its factorization.

31344212101400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37592409 (or 37592400 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 31344212101400 its reverse (410121244313), we get a palindrome (31754333345713).

The spelling of 31344212101400 in words is "thirty-one trillion, three hundred forty-four billion, two hundred twelve million, one hundred one thousand, four hundred".