30213155245 has 48 divisors (see below), whose sum is σ = 45512046720. Its totient is φ = 19084899456.

The previous prime is 30213155239. The next prime is 30213155257. The reversal of 30213155245 is 54255131203.

It is not a de Polignac number, because 30213155245 - 2¹⁵ = 30213122477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1592626 + ... + 1611484.

It is an arithmetic number, because the mean of its divisors is an integer number (948167640).

Almost surely, 2^30213155245 is an apocalyptic number.

30213155245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30213155245 is a deficient number, since it is larger than the sum of its proper divisors (15298891475).

30213155245 is a wasteful number, since it uses less digits than its factorization.

30213155245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19394 (or 19387 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 30213155245 its reverse (54255131203), we get a palindrome (84468286448).

The spelling of 30213155245 in words is "thirty billion, two hundred thirteen million, one hundred fifty-five thousand, two hundred forty-five".