31344203 has 12 divisors (see below), whose sum is σ = 34878984. Its totient is φ = 28142400.

The previous prime is 31344197. The next prime is 31344221. The reversal of 31344203 is 30244313.

It is not a de Polignac number, because 31344203 - 2⁶ = 31344139 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31344223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8483 + ... + 11603.

It is an arithmetic number, because the mean of its divisors is an integer number (2906582).

Almost surely, 2^31344203 is an apocalyptic number.

31344203 is a deficient number, since it is larger than the sum of its proper divisors (3534781).

31344203 is a wasteful number, since it uses less digits than its factorization.

31344203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226 (or 3215 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 31344203 is about 5598.5893759053. The cubic root of 31344203 is about 315.2964472208.

Adding to 31344203 its reverse (30244313), we get a palindrome (61588516).

It can be divided in two parts, 3134 and 4203, that added together give a palindrome (7337).

The spelling of 31344203 in words is "thirty-one million, three hundred forty-four thousand, two hundred three".