31425140524 has 6 divisors (see below), whose sum is σ = 54993995924. Its totient is φ = 15712570260.

The previous prime is 31425140519. The next prime is 31425140569. The reversal of 31425140524 is 42504152413.

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, 3928142562 + ... + 3928142569.

Almost surely, 2^31425140524 is an apocalyptic number.

It is an amenable number.

31425140524 is a deficient number, since it is larger than the sum of its proper divisors (23568855400).

31425140524 is a wasteful number, since it uses less digits than its factorization.

31425140524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856285135 (or 7856285133 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 31425140524 its reverse (42504152413), we get a palindrome (73929292937).

The spelling of 31425140524 in words is "thirty-one billion, four hundred twenty-five million, one hundred forty thousand, five hundred twenty-four".