31214203322413 has 4 divisors (see below), whose sum is σ = 31225443585660. Its totient is φ = 31202963059168.

The previous prime is 31214203322311. The next prime is 31214203322429. The reversal of 31214203322413 is 31422330241213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21363004172169 + 9851199150244 = 4622013^2 + 3138662^2 .

It is a cyclic number.

It is not a de Polignac number, because 31214203322413 - 2¹³ = 31214203314221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214203322443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5620127458 + ... + 5620133011.

It is an arithmetic number, because the mean of its divisors is an integer number (7806360896415).

Almost surely, 2^{31214203322413} is an apocalyptic number.

It is an amenable number.

31214203322413 is a deficient number, since it is larger than the sum of its proper divisors (11240263247).

31214203322413 is a wasteful number, since it uses less digits than its factorization.

31214203322413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11240263246.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31214203322413 its reverse (31422330241213), we get a palindrome (62636533563626).

The spelling of 31214203322413 in words is "thirty-one trillion, two hundred fourteen billion, two hundred three million, three hundred twenty-two thousand, four hundred thirteen".