30530451215 has 32 divisors (see below), whose sum is σ = 43683287040. Its totient is φ = 20223705600.

The previous prime is 30530451187. The next prime is 30530451253. The reversal of 30530451215 is 51215403503.

It is not a de Polignac number, because 30530451215 - 2²⁴ = 30513673999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497675 + ... + 555644.

It is an arithmetic number, because the mean of its divisors is an integer number (1365102720).

Almost surely, 2^30530451215 is an apocalyptic number.

30530451215 is a deficient number, since it is larger than the sum of its proper divisors (13152835825).

30530451215 is a wasteful number, since it uses less digits than its factorization.

30530451215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053383.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 30530451215 its reverse (51215403503), we get a palindrome (81745854718).

The spelling of 30530451215 in words is "thirty billion, five hundred thirty million, four hundred fifty-one thousand, two hundred fifteen".