31434030203 has 2 divisors, whose sum is σ = 31434030204. Its totient is φ = 31434030202.

The previous prime is 31434030139. The next prime is 31434030227. The reversal of 31434030203 is 30203043413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31434030203 - 2⁶ = 31434030139 is a prime.

It is not a weakly prime, because it can be changed into another prime (31434030503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717015101 + 15717015102.

It is an arithmetic number, because the mean of its divisors is an integer number (15717015102).

Almost surely, 2^31434030203 is an apocalyptic number.

31434030203 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434030203 is an equidigital number, since it uses as much as digits as its factorization.

31434030203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31434030203 its reverse (30203043413), we get a palindrome (61637073616).

The spelling of 31434030203 in words is "thirty-one billion, four hundred thirty-four million, thirty thousand, two hundred three".