31042321303 has 16 divisors (see below), whose sum is σ = 36380897280. Its totient is φ = 25938158400.

The previous prime is 31042321279. The next prime is 31042321313. The reversal of 31042321303 is 30312324013.

It is a de Polignac number, because none of the positive numbers 2^k-31042321303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042321313) 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 15 ways as a sum of consecutive naturals, for example, 306663 + ... + 395128.

It is an arithmetic number, because the mean of its divisors is an integer number (2273806080).

Almost surely, 2^31042321303 is an apocalyptic number.

31042321303 is a deficient number, since it is larger than the sum of its proper divisors (5338575977).

31042321303 is an equidigital number, since it uses as much as digits as its factorization.

31042321303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701958.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31042321303 its reverse (30312324013), we get a palindrome (61354645316).

The spelling of 31042321303 in words is "thirty-one billion, forty-two million, three hundred twenty-one thousand, three hundred three".