31130333030 has 16 divisors (see below), whose sum is σ = 56462346864. Its totient is φ = 12357078240.

The previous prime is 31130333027. The next prime is 31130333041. The reversal of 31130333030 is 3033303113.

It is a junction number, because it is equal to n+sod(n) for n = 31130332993 and 31130333011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11880497 + ... + 11883116.

It is an arithmetic number, because the mean of its divisors is an integer number (3528896679).

Almost surely, 2^31130333030 is an apocalyptic number.

31130333030 is a deficient number, since it is larger than the sum of its proper divisors (25332013834).

31130333030 is a wasteful number, since it uses less digits than its factorization.

31130333030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23763751.

The product of its (nonzero) digits is 729, while the sum is 20.

Adding to 31130333030 its reverse (3033303113), we get a palindrome (34163636143).

The spelling of 31130333030 in words is "thirty-one billion, one hundred thirty million, three hundred thirty-three thousand, thirty".