31203030404 has 36 divisors (see below), whose sum is σ = 67575803904. Its totient is φ = 12344054112.

The previous prime is 31203030379. The next prime is 31203030407. The reversal of 31203030404 is 40403030213.

It is not an unprimeable number, because it can be changed into a prime (31203030407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3292292 + ... + 3301755.

It is an arithmetic number, because the mean of its divisors is an integer number (1877105664).

Almost surely, 2^31203030404 is an apocalyptic number.

It is an amenable number.

31203030404 is an abundant number, since it is smaller than the sum of its proper divisors (36372773500).

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

31203030404 is a wasteful number, since it uses less digits than its factorization.

31203030404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6594084 (or 6594069 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31203030404 its reverse (40403030213), we get a palindrome (71606060617).

The spelling of 31203030404 in words is "thirty-one billion, two hundred three million, thirty thousand, four hundred four".