31010043424 has 12 divisors (see below), whose sum is σ = 61051023054. Its totient is φ = 15505021696.

The previous prime is 31010043401. The next prime is 31010043439. The reversal of 31010043424 is 42434001013.

It can be written as a sum of positive squares in only one way, i.e., 22123587600 + 8886455824 = 148740^2 + 94268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31010043395 and 31010043404.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 484531897 + ... + 484531960.

Almost surely, 2^31010043424 is an apocalyptic number.

It is an amenable number.

31010043424 is a deficient number, since it is larger than the sum of its proper divisors (30040979630).

31010043424 is an equidigital number, since it uses as much as digits as its factorization.

31010043424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969063867 (or 969063859 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31010043424 its reverse (42434001013), we get a palindrome (73444044437).

The spelling of 31010043424 in words is "thirty-one billion, ten million, forty-three thousand, four hundred twenty-four".