30293479231 has 8 divisors (see below), whose sum is σ = 31272302160. Its totient is φ = 29327125632.

The previous prime is 30293479213. The next prime is 30293479241. The reversal of 30293479231 is 13297439203.

It is a happy number.

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 30293479231 - 2¹⁹ = 30292954943 is a prime.

It is a super-2 number, since 2×30293479231² (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 a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30293479211) 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, 3112396 + ... + 3122113.

It is an arithmetic number, because the mean of its divisors is an integer number (3909037770).

Almost surely, 2^30293479231 is an apocalyptic number.

30293479231 is a deficient number, since it is larger than the sum of its proper divisors (978822929).

30293479231 is a wasteful number, since it uses less digits than its factorization.

30293479231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6234665.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 30293479231 in words is "thirty billion, two hundred ninety-three million, four hundred seventy-nine thousand, two hundred thirty-one".