31300333420 has 48 divisors (see below), whose sum is σ = 66839472000. Its totient is φ = 12309131520.

The previous prime is 31300333399. The next prime is 31300333423. The reversal of 31300333420 is 2433300313.

It is a junction number, because it is equal to n+sod(n) for n = 31300333391 and 31300333400.

It is not an unprimeable number, because it can be changed into a prime (31300333423) 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 15 ways as a sum of consecutive naturals, for example, 3397981 + ... + 3407179.

It is an arithmetic number, because the mean of its divisors is an integer number (1392489000).

Almost surely, 2^31300333420 is an apocalyptic number.

It is an amenable number.

31300333420 is an abundant number, since it is smaller than the sum of its proper divisors (35539138580).

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

31300333420 is a wasteful number, since it uses less digits than its factorization.

31300333420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12058 (or 12056 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 31300333420 its reverse (2433300313), we get a palindrome (33733633733).

The spelling of 31300333420 in words is "thirty-one billion, three hundred million, three hundred thirty-three thousand, four hundred twenty".