31421124100303 has 4 divisors (see below), whose sum is σ = 35909856114640. Its totient is φ = 26932392085968.

The previous prime is 31421124100297. The next prime is 31421124100309. The reversal of 31421124100303 is 30300142112413.

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

It is an interprime number because it is at equal distance from previous prime (31421124100297) and next prime (31421124100309).

It is a cyclic number.

It is not a de Polignac number, because 31421124100303 - 2⁹ = 31421124099791 is a prime.

It is a super-2 number, since 2×31421124100303² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31421124100309) 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 3 ways as a sum of consecutive naturals, for example, 2244366007158 + ... + 2244366007171.

It is an arithmetic number, because the mean of its divisors is an integer number (8977464028660).

Almost surely, 2^{31421124100303} is an apocalyptic number.

31421124100303 is a deficient number, since it is larger than the sum of its proper divisors (4488732014337).

31421124100303 is an equidigital number, since it uses as much as digits as its factorization.

31421124100303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488732014336.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31421124100303 its reverse (30300142112413), we get a palindrome (61721266212716).

The spelling of 31421124100303 in words is "thirty-one trillion, four hundred twenty-one billion, one hundred twenty-four million, one hundred thousand, three hundred three".