31242250652 has 24 divisors (see below), whose sum is σ = 59018349600. Its totient is φ = 14426705216.

The previous prime is 31242250649. The next prime is 31242250679. The reversal of 31242250652 is 25605224213.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5852327 + ... + 5857662.

It is an arithmetic number, because the mean of its divisors is an integer number (2459097900).

Almost surely, 2^31242250652 is an apocalyptic number.

It is an amenable number.

31242250652 is a deficient number, since it is larger than the sum of its proper divisors (27776098948).

31242250652 is a wasteful number, since it uses less digits than its factorization.

31242250652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710045 (or 11710043 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 31242250652 its reverse (25605224213), we get a palindrome (56847474865).

The spelling of 31242250652 in words is "thirty-one billion, two hundred forty-two million, two hundred fifty thousand, six hundred fifty-two".