30013502155 has 16 divisors (see below), whose sum is σ = 44327634624. Its totient is φ = 18997557120.

The previous prime is 30013502153. The next prime is 30013502161. The reversal of 30013502155 is 55120531003.

It is not a de Polignac number, because 30013502155 - 2¹ = 30013502153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30013502153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32981416 + ... + 32982325.

It is an arithmetic number, because the mean of its divisors is an integer number (2770477164).

Almost surely, 2^30013502155 is an apocalyptic number.

30013502155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30013502155 is a deficient number, since it is larger than the sum of its proper divisors (14314132469).

30013502155 is a wasteful number, since it uses less digits than its factorization.

30013502155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65963766.

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 30013502155 in words is "thirty billion, thirteen million, five hundred two thousand, one hundred fifty-five".