30229198531 has 24 divisors (see below), whose sum is σ = 37876217280. Its totient is φ = 23976125712.

The previous prime is 30229198511. The next prime is 30229198541. The reversal of 30229198531 is 13589192203.

It is not a de Polignac number, because 30229198531 - 2¹¹ = 30229196483 is a prime.

It is a super-2 number, since 2×30229198531² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (30229198511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337521 + ... + 417586.

It is an arithmetic number, because the mean of its divisors is an integer number (1578175720).

Almost surely, 2^30229198531 is an apocalyptic number.

30229198531 is a deficient number, since it is larger than the sum of its proper divisors (7647018749).

30229198531 is a wasteful number, since it uses less digits than its factorization.

30229198531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755183 (or 755176 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 30229198531 in words is "thirty billion, two hundred twenty-nine million, one hundred ninety-eight thousand, five hundred thirty-one".