31240341341200 has 30 divisors (see below), whose sum is σ = 75054920073194. Its totient is φ = 12496136536320.

The previous prime is 31240341341191. The next prime is 31240341341249. The reversal of 31240341341200 is 214314304213.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 186738065424 + 31053603275776 = 432132^2 + 5572576^2 .

It is a super-2 number, since 2×31240341341200² (a number of 28 digits) contains 22 as substring.

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, 39050426277 + ... + 39050427076.

Almost surely, 2^{31240341341200} is an apocalyptic number.

It is an amenable number.

31240341341200 is an abundant number, since it is smaller than the sum of its proper divisors (43814578731994).

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

31240341341200 is a wasteful number, since it uses less digits than its factorization.

31240341341200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78100853371 (or 78100853360 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31240341341200 its reverse (214314304213), we get a palindrome (31454655645413).

The spelling of 31240341341200 in words is "thirty-one trillion, two hundred forty billion, three hundred forty-one million, three hundred forty-one thousand, two hundred".