31201444124 has 24 divisors (see below), whose sum is σ = 56438314800. Its totient is φ = 15084881280.

The previous prime is 31201444117. The next prime is 31201444133. The reversal of 31201444124 is 42144410213.

It is a junction number, because it is equal to n+sod(n) for n = 31201444093 and 31201444102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069289 + ... + 1098080.

It is an arithmetic number, because the mean of its divisors is an integer number (2351596450).

Almost surely, 2^31201444124 is an apocalyptic number.

It is an amenable number.

31201444124 is a deficient number, since it is larger than the sum of its proper divisors (25236870676).

31201444124 is a wasteful number, since it uses less digits than its factorization.

31201444124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167493 (or 2167491 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 31201444124 its reverse (42144410213), we get a palindrome (73345854337).

The spelling of 31201444124 in words is "thirty-one billion, two hundred one million, four hundred forty-four thousand, one hundred twenty-four".