31130424850 has 48 divisors (see below), whose sum is σ = 66792921408. Its totient is φ = 10573525440.

The previous prime is 31130424841. The next prime is 31130424851. The reversal of 31130424850 is 5842403113.

It is not an unprimeable number, because it can be changed into a prime (31130424851) 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 23 ways as a sum of consecutive naturals, for example, 378177 + ... + 453076.

It is an arithmetic number, because the mean of its divisors is an integer number (1391519196).

Almost surely, 2^31130424850 is an apocalyptic number.

31130424850 is an abundant number, since it is smaller than the sum of its proper divisors (35662496558).

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

31130424850 is a wasteful number, since it uses less digits than its factorization.

31130424850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831379 (or 831374 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 31130424850 its reverse (5842403113), we get a palindrome (36972827963).

The spelling of 31130424850 in words is "thirty-one billion, one hundred thirty million, four hundred twenty-four thousand, eight hundred fifty".