40313231303 has 2 divisors, whose sum is σ = 40313231304. Its totient is φ = 40313231302.

The previous prime is 40313231239. The next prime is 40313231317. The reversal of 40313231303 is 30313231304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40313231303 - 2⁶ = 40313231239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40313231353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20156615651 + 20156615652.

It is an arithmetic number, because the mean of its divisors is an integer number (20156615652).

Almost surely, 2^40313231303 is an apocalyptic number.

40313231303 is a deficient number, since it is larger than the sum of its proper divisors (1).

40313231303 is an equidigital number, since it uses as much as digits as its factorization.

40313231303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 40313231303 its reverse (30313231304), we get a palindrome (70626462607).

Subtracting from 40313231303 its reverse (30313231304), we obtain a palindrome (9999999999).

The spelling of 40313231303 in words is "forty billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred three".