31134422203 has 4 divisors (see below), whose sum is σ = 31141923208. Its totient is φ = 31126921200.

The previous prime is 31134422201. The next prime is 31134422303. The reversal of 31134422203 is 30222443113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30222443113 = 70201 ⋅430513.

It is a cyclic number.

It is not a de Polignac number, because 31134422203 - 2¹ = 31134422201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31134422201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3744273 + ... + 3752578.

It is an arithmetic number, because the mean of its divisors is an integer number (7785480802).

Almost surely, 2^31134422203 is an apocalyptic number.

31134422203 is a deficient number, since it is larger than the sum of its proper divisors (7501005).

31134422203 is an equidigital number, since it uses as much as digits as its factorization.

31134422203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501004.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31134422203 its reverse (30222443113), we get a palindrome (61356865316).

The spelling of 31134422203 in words is "thirty-one billion, one hundred thirty-four million, four hundred twenty-two thousand, two hundred three".