10031004491 has 2 divisors, whose sum is σ = 10031004492. Its totient is φ = 10031004490.

The previous prime is 10031004413. The next prime is 10031004499. The reversal of 10031004491 is 19440013001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10031004491 is a prime.

It is not a weakly prime, because it can be changed into another prime (10031004499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015502245 + 5015502246.

It is an arithmetic number, because the mean of its divisors is an integer number (5015502246).

Almost surely, 2^10031004491 is an apocalyptic number.

10031004491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031004491 is an equidigital number, since it uses as much as digits as its factorization.

10031004491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10031004491 its reverse (19440013001), we get a palindrome (29471017492).

The spelling of 10031004491 in words is "ten billion, thirty-one million, four thousand, four hundred ninety-one".