31234303222143 has 32 divisors (see below), whose sum is σ = 48709435686912. Its totient is φ = 17430435036000.

The previous prime is 31234303222099. The next prime is 31234303222189. The reversal of 31234303222143 is 34122230343213.

It is not a de Polignac number, because 31234303222143 - 2¹⁸ = 31234302959999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234303222193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3275538 + ... + 8555568.

It is an arithmetic number, because the mean of its divisors is an integer number (1522169865216).

Almost surely, 2^{31234303222143} is an apocalyptic number.

31234303222143 is a deficient number, since it is larger than the sum of its proper divisors (17475132464769).

31234303222143 is a wasteful number, since it uses less digits than its factorization.

31234303222143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286635.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 31234303222143 its reverse (34122230343213), we get a palindrome (65356533565356).

The spelling of 31234303222143 in words is "thirty-one trillion, two hundred thirty-four billion, three hundred three million, two hundred twenty-two thousand, one hundred forty-three".