31030300431230 has 32 divisors (see below), whose sum is σ = 58284442888704. Its totient is φ = 11872168662816.

The previous prime is 31030300431227. The next prime is 31030300431259. The reversal of 31030300431230 is 3213400303013.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 31030300431196 and 31030300431205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7748759 + ... + 11050061.

It is an arithmetic number, because the mean of its divisors is an integer number (1821388840272).

Almost surely, 2^{31030300431230} is an apocalyptic number.

31030300431230 is a deficient number, since it is larger than the sum of its proper divisors (27254142457474).

31030300431230 is a wasteful number, since it uses less digits than its factorization.

31030300431230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342200.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31030300431230 its reverse (3213400303013), we get a palindrome (34243700734243).

The spelling of 31030300431230 in words is "thirty-one trillion, thirty billion, three hundred million, four hundred thirty-one thousand, two hundred thirty".