31342434203 has 4 divisors (see below), whose sum is σ = 31355870928. Its totient is φ = 31328997480.

The previous prime is 31342434191. The next prime is 31342434283. The reversal of 31342434203 is 30243424313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30243424313 = 907 ⋅33344459.

It is a cyclic number.

It is not a de Polignac number, because 31342434203 - 2²⁴ = 31325656987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31342434283) 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, 6714863 + ... + 6719528.

It is an arithmetic number, because the mean of its divisors is an integer number (7838967732).

Almost surely, 2^31342434203 is an apocalyptic number.

31342434203 is a deficient number, since it is larger than the sum of its proper divisors (13436725).

31342434203 is a wasteful number, since it uses less digits than its factorization.

31342434203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13436724.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 31342434203 its reverse (30243424313), we get a palindrome (61585858516).

The spelling of 31342434203 in words is "thirty-one billion, three hundred forty-two million, four hundred thirty-four thousand, two hundred three".