31242010152 has 64 divisors (see below), whose sum is σ = 79271516160. Its totient is φ = 10258718400.

The previous prime is 31242010147. The next prime is 31242010159. The reversal of 31242010152 is 25101024213.

It is not an unprimeable number, because it can be changed into a prime (31242010159) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 2213277 + ... + 2227347.

It is an arithmetic number, because the mean of its divisors is an integer number (1238617440).

Almost surely, 2^31242010152 is an apocalyptic number.

It is an amenable number.

31242010152 is an abundant number, since it is smaller than the sum of its proper divisors (48029506008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31242010152 is a wasteful number, since it uses less digits than its factorization.

31242010152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15454 (or 15450 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 31242010152 its reverse (25101024213), we get a palindrome (56343034365).

The spelling of 31242010152 in words is "thirty-one billion, two hundred forty-two million, ten thousand, one hundred fifty-two".