22031315503 has 2 divisors, whose sum is σ = 22031315504. Its totient is φ = 22031315502.

The previous prime is 22031315489. The next prime is 22031315513. The reversal of 22031315503 is 30551313022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22031315503 - 2²⁹ = 21494444591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22031315513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015657751 + 11015657752.

It is an arithmetic number, because the mean of its divisors is an integer number (11015657752).

Almost surely, 2^22031315503 is an apocalyptic number.

22031315503 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031315503 is an equidigital number, since it uses as much as digits as its factorization.

22031315503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 22031315503 its reverse (30551313022), we get a palindrome (52582628525).

The spelling of 22031315503 in words is "twenty-two billion, thirty-one million, three hundred fifteen thousand, five hundred three".