31204431423230 has 128 divisors (see below), whose sum is σ = 61789377484800. Its totient is φ = 11276346816000.

The previous prime is 31204431423203. The next prime is 31204431423241. The reversal of 31204431423230 is 3232413440213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2256441956 + ... + 2256455784.

It is an arithmetic number, because the mean of its divisors is an integer number (482729511600).

Almost surely, 2^{31204431423230} is an apocalyptic number.

31204431423230 is a deficient number, since it is larger than the sum of its proper divisors (30584946061570).

31204431423230 is a wasteful number, since it uses less digits than its factorization.

31204431423230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15690.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31204431423230 its reverse (3232413440213), we get a palindrome (34436844863443).

The spelling of 31204431423230 in words is "thirty-one trillion, two hundred four billion, four hundred thirty-one million, four hundred twenty-three thousand, two hundred thirty".