99003503531 has 2 divisors, whose sum is σ = 99003503532. Its totient is φ = 99003503530.

The previous prime is 99003503527. The next prime is 99003503569. The reversal of 99003503531 is 13530530099.

It is an a-pointer prime, because the next prime (99003503569) can be obtained adding 99003503531 to its sum of digits (38).

It is a weak prime.

It is an emirp because it is prime and its reverse (13530530099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99003503531 - 2² = 99003503527 is a prime.

It is a super-2 number, since 2×99003503531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99003503591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49501751765 + 49501751766.

It is an arithmetic number, because the mean of its divisors is an integer number (49501751766).

Almost surely, 2^99003503531 is an apocalyptic number.

99003503531 is a deficient number, since it is larger than the sum of its proper divisors (1).

99003503531 is an equidigital number, since it uses as much as digits as its factorization.

99003503531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54675, while the sum is 38.

The spelling of 99003503531 in words is "ninety-nine billion, three million, five hundred three thousand, five hundred thirty-one".