31230203334020 has 12 divisors (see below), whose sum is σ = 65583427001484. Its totient is φ = 12492081333600.

The previous prime is 31230203333981. The next prime is 31230203334037. The reversal of 31230203334020 is 2043330203213.

It can be written as a sum of positive squares in 2 ways, for example, as 8690326660096 + 22539876673924 = 2947936^2 + 4747618^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780755083331 + ... + 780755083370.

It is an arithmetic number, because the mean of its divisors is an integer number (5465285583457).

Almost surely, 2^{31230203334020} is an apocalyptic number.

It is an amenable number.

31230203334020 is an abundant number, since it is smaller than the sum of its proper divisors (34353223667464).

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

31230203334020 is a wasteful number, since it uses less digits than its factorization.

31230203334020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561510166710 (or 1561510166708 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 31230203334020 its reverse (2043330203213), we get a palindrome (33273533537233).

The spelling of 31230203334020 in words is "thirty-one trillion, two hundred thirty billion, two hundred three million, three hundred thirty-four thousand, twenty".