31503051052 has 12 divisors (see below), whose sum is σ = 60142188456. Its totient is φ = 14319568640.

The previous prime is 31503051037. The next prime is 31503051071. The reversal of 31503051052 is 25015030513.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 357989173 + ... + 357989260.

It is an arithmetic number, because the mean of its divisors is an integer number (5011849038).

Almost surely, 2^31503051052 is an apocalyptic number.

It is an amenable number.

31503051052 is a deficient number, since it is larger than the sum of its proper divisors (28639137404).

31503051052 is a wasteful number, since it uses less digits than its factorization.

31503051052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715978448 (or 715978446 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 31503051052 its reverse (25015030513), we get a palindrome (56518081565).

The spelling of 31503051052 in words is "thirty-one billion, five hundred three million, fifty-one thousand, fifty-two".