31302020204 has 48 divisors (see below), whose sum is σ = 68369366016. Its totient is φ = 12208795200.

The previous prime is 31302020201. The next prime is 31302020251. The reversal of 31302020204 is 40202020313.

It is not an unprimeable number, because it can be changed into a prime (31302020201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579752 + ... + 631439.

It is an arithmetic number, because the mean of its divisors is an integer number (1424361792).

Almost surely, 2^31302020204 is an apocalyptic number.

It is an amenable number.

31302020204 is an abundant number, since it is smaller than the sum of its proper divisors (37067345812).

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

31302020204 is a wasteful number, since it uses less digits than its factorization.

31302020204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211286 (or 1211284 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 31302020204 its reverse (40202020313), we get a palindrome (71504040517).

The spelling of 31302020204 in words is "thirty-one billion, three hundred two million, twenty thousand, two hundred four".