31423223030 has 16 divisors (see below), whose sum is σ = 57336621984. Its totient is φ = 12397106880.

The previous prime is 31423223003. The next prime is 31423223071. The reversal of 31423223030 is 3032232413.

It is a junction number, because it is equal to n+sod(n) for n = 31423222987 and 31423223005.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21522026 + ... + 21523485.

It is an arithmetic number, because the mean of its divisors is an integer number (3583538874).

Almost surely, 2^31423223030 is an apocalyptic number.

31423223030 is a deficient number, since it is larger than the sum of its proper divisors (25913398954).

31423223030 is a wasteful number, since it uses less digits than its factorization.

31423223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43045591.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31423223030 its reverse (3032232413), we get a palindrome (34455455443).

The spelling of 31423223030 in words is "thirty-one billion, four hundred twenty-three million, two hundred twenty-three thousand, thirty".