30015136773 has 12 divisors (see below), whose sum is σ = 43357077088. Its totient is φ = 20009223720.

The previous prime is 30015136759. The next prime is 30015136807. The reversal of 30015136773 is 37763151003.

It is a happy number.

It is not a de Polignac number, because 30015136773 - 2¹² = 30015132677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30015136733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201378 + ... + 317148.

Almost surely, 2^30015136773 is an apocalyptic number.

It is an amenable number.

30015136773 is a deficient number, since it is larger than the sum of its proper divisors (13341940315).

30015136773 is a wasteful number, since it uses less digits than its factorization.

30015136773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144584 (or 144581 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

Adding to 30015136773 its reverse (37763151003), we get a palindrome (67778287776).

The spelling of 30015136773 in words is "thirty billion, fifteen million, one hundred thirty-six thousand, seven hundred seventy-three".