31444444030 has 8 divisors (see below), whose sum is σ = 56599999272. Its totient is φ = 12577777608.

The previous prime is 31444444021. The next prime is 31444444033. The reversal of 31444444030 is 3044444413.

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 = 31444443983 and 31444444001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31444444033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572222192 + ... + 1572222211.

It is an arithmetic number, because the mean of its divisors is an integer number (7074999909).

Almost surely, 2^31444444030 is an apocalyptic number.

31444444030 is a deficient number, since it is larger than the sum of its proper divisors (25155555242).

31444444030 is a wasteful number, since it uses less digits than its factorization.

31444444030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144444410.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 31444444030 its reverse (3044444413), we get a palindrome (34488888443).

The spelling of 31444444030 in words is "thirty-one billion, four hundred forty-four million, four hundred forty-four thousand, thirty".