40331213203 has 2 divisors, whose sum is σ = 40331213204. Its totient is φ = 40331213202.

The previous prime is 40331213179. The next prime is 40331213359. The reversal of 40331213203 is 30231213304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40331213203 is a prime.

It is not a weakly prime, because it can be changed into another prime (40331213603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20165606601 + 20165606602.

It is an arithmetic number, because the mean of its divisors is an integer number (20165606602).

Almost surely, 2^40331213203 is an apocalyptic number.

40331213203 is a deficient number, since it is larger than the sum of its proper divisors (1).

40331213203 is an equidigital number, since it uses as much as digits as its factorization.

40331213203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 40331213203 its reverse (30231213304), we get a palindrome (70562426507).

The spelling of 40331213203 in words is "forty billion, three hundred thirty-one million, two hundred thirteen thousand, two hundred three".