31032200030 has 32 divisors (see below), whose sum is σ = 60166792224. Its totient is φ = 11455744896.

The previous prime is 31032200021. The next prime is 31032200071. The reversal of 31032200030 is 3000223013.

It is a junction number, because it is equal to n+sod(n) for n = 31032199978 and 31032200014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713777 + ... + 756003.

It is an arithmetic number, because the mean of its divisors is an integer number (1880212257).

Almost surely, 2^31032200030 is an apocalyptic number.

31032200030 is a deficient number, since it is larger than the sum of its proper divisors (29134592194).

31032200030 is a wasteful number, since it uses less digits than its factorization.

31032200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47900.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 31032200030 its reverse (3000223013), we get a palindrome (34032423043).

The spelling of 31032200030 in words is "thirty-one billion, thirty-two million, two hundred thousand, thirty".