40311203203 has 4 divisors (see below), whose sum is σ = 40316072368. Its totient is φ = 40306334040.

The previous prime is 40311203197. The next prime is 40311203213. The reversal of 40311203203 is 30230211304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40311203203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40311203213) 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, 2422143 + ... + 2438728.

It is an arithmetic number, because the mean of its divisors is an integer number (10079018092).

Almost surely, 2^40311203203 is an apocalyptic number.

40311203203 is a deficient number, since it is larger than the sum of its proper divisors (4869165).

40311203203 is an equidigital number, since it uses as much as digits as its factorization.

40311203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869164.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 40311203203 its reverse (30230211304), we get a palindrome (70541414507).

The spelling of 40311203203 in words is "forty billion, three hundred eleven million, two hundred three thousand, two hundred three".