31423430003 has 16 divisors (see below), whose sum is σ = 40026309120. Its totient is φ = 24015782016.

The previous prime is 31423429957. The next prime is 31423430011. The reversal of 31423430003 is 30003432413.

It is a cyclic number.

It is not a de Polignac number, because 31423430003 - 2¹⁰ = 31423428979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31423430063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6946751 + ... + 6951272.

It is an arithmetic number, because the mean of its divisors is an integer number (2501644320).

Almost surely, 2^31423430003 is an apocalyptic number.

31423430003 is a deficient number, since it is larger than the sum of its proper divisors (8602879117).

31423430003 is a wasteful number, since it uses less digits than its factorization.

31423430003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13898066.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31423430003 its reverse (30003432413), we get a palindrome (61426862416).

The spelling of 31423430003 in words is "thirty-one billion, four hundred twenty-three million, four hundred thirty thousand, three".