31342220225300 has 18 divisors (see below), whose sum is σ = 68012617889118. Its totient is φ = 12536888090080.

The previous prime is 31342220225263. The next prime is 31342220225311. The reversal of 31342220225300 is 352202224313.

It can be written as a sum of positive squares in 3 ways, for example, as 457925596804 + 30884294628496 = 676702^2 + 5557364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156711101027 + ... + 156711101226.

Almost surely, 2^{31342220225300} is an apocalyptic number.

It is an amenable number.

31342220225300 is an abundant number, since it is smaller than the sum of its proper divisors (36670397663818).

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

31342220225300 is a wasteful number, since it uses less digits than its factorization.

31342220225300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313422202267 (or 313422202260 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 31342220225300 its reverse (352202224313), we get a palindrome (31694422449613).

The spelling of 31342220225300 in words is "thirty-one trillion, three hundred forty-two billion, two hundred twenty million, two hundred twenty-five thousand, three hundred".