31234343203 has 4 divisors (see below), whose sum is σ = 35696392240. Its totient is φ = 26772294168.

The previous prime is 31234343201. The next prime is 31234343213. The reversal of 31234343203 is 30234343213.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31234343203 - 2¹ = 31234343201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31234343201) 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, 2231024508 + ... + 2231024521.

It is an arithmetic number, because the mean of its divisors is an integer number (8924098060).

Almost surely, 2^31234343203 is an apocalyptic number.

31234343203 is a deficient number, since it is larger than the sum of its proper divisors (4462049037).

31234343203 is an equidigital number, since it uses as much as digits as its factorization.

31234343203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462049036.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 31234343203 its reverse (30234343213), we get a palindrome (61468686416).

The spelling of 31234343203 in words is "thirty-one billion, two hundred thirty-four million, three hundred forty-three thousand, two hundred three".