30631472030 has 16 divisors (see below), whose sum is σ = 55233560880. Its totient is φ = 12231052992.

The previous prime is 30631472029. The next prime is 30631472033. The reversal of 30631472030 is 3027413603.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30631471984 and 30631472002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30631472033) 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 7 ways as a sum of consecutive naturals, for example, 2686004 + ... + 2697383.

It is an arithmetic number, because the mean of its divisors is an integer number (3452097555).

Almost surely, 2^30631472030 is an apocalyptic number.

30631472030 is a deficient number, since it is larger than the sum of its proper divisors (24602088850).

30631472030 is a wasteful number, since it uses less digits than its factorization.

30631472030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383963.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 30631472030 its reverse (3027413603), we get a palindrome (33658885633).

The spelling of 30631472030 in words is "thirty billion, six hundred thirty-one million, four hundred seventy-two thousand, thirty".