30231794 has 8 divisors (see below), whose sum is σ = 45749340. Its totient is φ = 14982016.

The previous prime is 30231781. The next prime is 30231811. The reversal of 30231794 is 49713203.

It can be written as a sum of positive squares in 2 ways, for example, as 29300569 + 931225 = 5413^2 + 965^2 .

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

It is a super-2 number, since 2×30231794² = 1827922736916872, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66659 + ... + 67110.

Almost surely, 2^30231794 is an apocalyptic number.

30231794 is a deficient number, since it is larger than the sum of its proper divisors (15517546).

30231794 is a wasteful number, since it uses less digits than its factorization.

30231794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133884.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30231794 is about 5498.3446599863. The cubic root of 30231794 is about 311.5214626049.

Adding to 30231794 its reverse (49713203), we get a palindrome (79944997).

The spelling of 30231794 in words is "thirty million, two hundred thirty-one thousand, seven hundred ninety-four".