31343103003 has 4 divisors (see below), whose sum is σ = 41790804008. Its totient is φ = 20895402000.

The previous prime is 31343102977. The next prime is 31343103017. The reversal of 31343103003 is 30030134313.

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

It is not a de Polignac number, because 31343103003 - 2⁶ = 31343102939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31343103023) 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, 5223850498 + ... + 5223850503.

It is an arithmetic number, because the mean of its divisors is an integer number (10447701002).

Almost surely, 2^31343103003 is an apocalyptic number.

31343103003 is a deficient number, since it is larger than the sum of its proper divisors (10447701005).

31343103003 is a wasteful number, since it uses less digits than its factorization.

31343103003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10447701004.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31343103003 its reverse (30030134313), we get a palindrome (61373237316).

It can be divided in two parts, 3134310 and 3003, that added together give a palindrome (3137313).

The spelling of 31343103003 in words is "thirty-one billion, three hundred forty-three million, one hundred three thousand, three".