31234030 has 8 divisors (see below), whose sum is σ = 56221272. Its totient is φ = 12493608.

The previous prime is 31234009. The next prime is 31234061. The reversal of 31234030 is 3043213.

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

It is a junction number, because it is equal to n+sod(n) for n = 31233995 and 31234013.

It is a congruent number.

It is an unprimeable number.

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, 1561692 + ... + 1561711.

It is an arithmetic number, because the mean of its divisors is an integer number (7027659).

Almost surely, 2^31234030 is an apocalyptic number.

31234030 is a deficient number, since it is larger than the sum of its proper divisors (24987242).

31234030 is a wasteful number, since it uses less digits than its factorization.

31234030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123410.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 31234030 is about 5588.7413609864. The cubic root of 31234030 is about 314.9265974933.

Adding to 31234030 its reverse (3043213), we get a palindrome (34277243).

The spelling of 31234030 in words is "thirty-one million, two hundred thirty-four thousand, thirty".