31132031203230 has 16 divisors (see below), whose sum is σ = 74716874887824. Its totient is φ = 8301874987520.

The previous prime is 31132031203213. The next prime is 31132031203267. The reversal of 31132031203230 is 3230213023113.

It is a self number, because there is not a number n which added to its sum of digits gives 31132031203230.

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, 518867186691 + ... + 518867186750.

It is an arithmetic number, because the mean of its divisors is an integer number (4669804680489).

Almost surely, 2^{31132031203230} is an apocalyptic number.

31132031203230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31132031203230 is an abundant number, since it is smaller than the sum of its proper divisors (43584843684594).

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

31132031203230 is a wasteful number, since it uses less digits than its factorization.

31132031203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037734373451.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31132031203230 its reverse (3230213023113), we get a palindrome (34362244226343).

The spelling of 31132031203230 in words is "thirty-one trillion, one hundred thirty-two billion, thirty-one million, two hundred three thousand, two hundred thirty".