31421111044330 has 48 divisors (see below), whose sum is σ = 65807168466816. Its totient is φ = 10770461926560.

The previous prime is 31421111044327. The next prime is 31421111044397. The reversal of 31421111044330 is 3344011112413.

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, 5289606 + ... + 9530065.

It is an arithmetic number, because the mean of its divisors is an integer number (1370982676392).

Almost surely, 2^{31421111044330} is an apocalyptic number.

31421111044330 is an abundant number, since it is smaller than the sum of its proper divisors (34386057422486).

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

31421111044330 is a wasteful number, since it uses less digits than its factorization.

31421111044330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14824019 (or 14824012 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 31421111044330 its reverse (3344011112413), we get a palindrome (34765122156743).

The spelling of 31421111044330 in words is "thirty-one trillion, four hundred twenty-one billion, one hundred eleven million, forty-four thousand, three hundred thirty".