31424240000321 has 16 divisors (see below), whose sum is σ = 36176483758848. Its totient is φ = 26738011872000.

The previous prime is 31424240000281. The next prime is 31424240000401. The reversal of 31424240000321 is 12300004242413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31424240000321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31424240000221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8858540 + ... + 11887901.

It is an arithmetic number, because the mean of its divisors is an integer number (2261030234928).

Almost surely, 2^{31424240000321} is an apocalyptic number.

It is an amenable number.

31424240000321 is a deficient number, since it is larger than the sum of its proper divisors (4752243758527).

31424240000321 is a wasteful number, since it uses less digits than its factorization.

31424240000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20748032.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31424240000321 its reverse (12300004242413), we get a palindrome (43724244242734).

The spelling of 31424240000321 in words is "thirty-one trillion, four hundred twenty-four billion, two hundred forty million, three hundred twenty-one", and thus it is an aban number.