30215122153 has 8 divisors (see below), whose sum is σ = 31869140000. Its totient is φ = 28567479168.

The previous prime is 30215122139. The next prime is 30215122181. The reversal of 30215122153 is 35122151203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30215122153 - 2²¹ = 30213025001 is a prime.

It is a super-2 number, since 2×30215122153² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30215122453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583976 + ... + 1602937.

It is an arithmetic number, because the mean of its divisors is an integer number (3983642500).

Almost surely, 2^30215122153 is an apocalyptic number.

It is an amenable number.

30215122153 is a deficient number, since it is larger than the sum of its proper divisors (1654017847).

30215122153 is a wasteful number, since it uses less digits than its factorization.

30215122153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187431.

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

Adding to 30215122153 its reverse (35122151203), we get a palindrome (65337273356).

The spelling of 30215122153 in words is "thirty billion, two hundred fifteen million, one hundred twenty-two thousand, one hundred fifty-three".