31341231203 has 4 divisors (see below), whose sum is σ = 31454376720. Its totient is φ = 31228085688.

The previous prime is 31341231191. The next prime is 31341231223. The reversal of 31341231203 is 30213214313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30213214313 = 43 ⋅702632891.

It is a cyclic number.

It is not a de Polignac number, because 31341231203 - 2²⁶ = 31274122339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31341231223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56572343 + ... + 56572896.

It is an arithmetic number, because the mean of its divisors is an integer number (7863594180).

Almost surely, 2^31341231203 is an apocalyptic number.

31341231203 is a deficient number, since it is larger than the sum of its proper divisors (113145517).

31341231203 is a wasteful number, since it uses less digits than its factorization.

31341231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113145516.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31341231203 its reverse (30213214313), we get a palindrome (61554445516).

The spelling of 31341231203 in words is "thirty-one billion, three hundred forty-one million, two hundred thirty-one thousand, two hundred three".