31344240203 has 2 divisors, whose sum is σ = 31344240204. Its totient is φ = 31344240202.

The previous prime is 31344240149. The next prime is 31344240269. The reversal of 31344240203 is 30204244313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31344240203 - 2⁸ = 31344239947 is a prime.

It is a super-2 number, since 2×31344240203² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31344240293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15672120101 + 15672120102.

It is an arithmetic number, because the mean of its divisors is an integer number (15672120102).

Almost surely, 2^31344240203 is an apocalyptic number.

31344240203 is a deficient number, since it is larger than the sum of its proper divisors (1).

31344240203 is an equidigital number, since it uses as much as digits as its factorization.

31344240203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31344240203 its reverse (30204244313), we get a palindrome (61548484516).

The spelling of 31344240203 in words is "thirty-one billion, three hundred forty-four million, two hundred forty thousand, two hundred three".