31421453316200 has 48 divisors (see below), whose sum is σ = 73324454285760. Its totient is φ = 12522202776000.

The previous prime is 31421453316161. The next prime is 31421453316233. The reversal of 31421453316200 is 261335412413.

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 11 ways as a sum of consecutive naturals, for example, 289811606 + ... + 289920005.

It is an arithmetic number, because the mean of its divisors is an integer number (1527592797620).

Almost surely, 2^{31421453316200} is an apocalyptic number.

It is an amenable number.

31421453316200 is an abundant number, since it is smaller than the sum of its proper divisors (41903000969560).

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

31421453316200 is a wasteful number, since it uses less digits than its factorization.

31421453316200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579731898 (or 579731889 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 31421453316200 its reverse (261335412413), we get a palindrome (31682788728613).

The spelling of 31421453316200 in words is "thirty-one trillion, four hundred twenty-one billion, four hundred fifty-three million, three hundred sixteen thousand, two hundred".