30504115231 has 4 divisors (see below), whose sum is σ = 32109595000. Its totient is φ = 28898635464.

The previous prime is 30504115183. The next prime is 30504115237. The reversal of 30504115231 is 13251140503.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30504115231 - 2¹⁵ = 30504082463 is a prime.

It is a super-3 number, since 3×30504115231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30504115196 and 30504115205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30504115237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802739856 + ... + 802739893.

It is an arithmetic number, because the mean of its divisors is an integer number (8027398750).

Almost surely, 2^30504115231 is an apocalyptic number.

30504115231 is a deficient number, since it is larger than the sum of its proper divisors (1605479769).

30504115231 is a wasteful number, since it uses less digits than its factorization.

30504115231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605479768.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 30504115231 its reverse (13251140503), we get a palindrome (43755255734).

The spelling of 30504115231 in words is "thirty billion, five hundred four million, one hundred fifteen thousand, two hundred thirty-one".