31200430030 has 96 divisors (see below), whose sum is σ = 71448259680. Its totient is φ = 9700346880.

The previous prime is 31200430007. The next prime is 31200430031. The reversal of 31200430030 is 3003400213.

It is a junction number, because it is equal to n+sod(n) for n = 31200429986 and 31200430013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200430031) 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 47 ways as a sum of consecutive naturals, for example, 2197434 + ... + 2211586.

It is an arithmetic number, because the mean of its divisors is an integer number (744252705).

Almost surely, 2^31200430030 is an apocalyptic number.

31200430030 is an abundant number, since it is smaller than the sum of its proper divisors (40247829650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31200430030 is a wasteful number, since it uses less digits than its factorization.

31200430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14594 (or 14587 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 31200430030 its reverse (3003400213), we get a palindrome (34203830243).

The spelling of 31200430030 in words is "thirty-one billion, two hundred million, four hundred thirty thousand, thirty".