30146931553 has 4 divisors (see below), whose sum is σ = 31119413248. Its totient is φ = 29174449860.

The previous prime is 30146931541. The next prime is 30146931599. The reversal of 30146931553 is 35513964103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30146931553 - 2²⁵ = 30113377121 is a prime.

It is a super-2 number, since 2×30146931553² (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 (30146931523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486240801 + ... + 486240862.

It is an arithmetic number, because the mean of its divisors is an integer number (7779853312).

Almost surely, 2^30146931553 is an apocalyptic number.

It is an amenable number.

30146931553 is a deficient number, since it is larger than the sum of its proper divisors (972481695).

30146931553 is an equidigital number, since it uses as much as digits as its factorization.

30146931553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972481694.

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 30146931553 in words is "thirty billion, one hundred forty-six million, nine hundred thirty-one thousand, five hundred fifty-three".