31142550232 has 16 divisors (see below), whose sum is σ = 58436571600. Its totient is φ = 15559464480.

The previous prime is 31142550227. The next prime is 31142550287. The reversal of 31142550232 is 23205524113.

It is a self number, because there is not a number n which added to its sum of digits gives 31142550232.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1465119 + ... + 1486222.

It is an arithmetic number, because the mean of its divisors is an integer number (3652285725).

Almost surely, 2^31142550232 is an apocalyptic number.

It is an amenable number.

31142550232 is a deficient number, since it is larger than the sum of its proper divisors (27294021368).

31142550232 is a wasteful number, since it uses less digits than its factorization.

31142550232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952666 (or 2952662 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 31142550232 in words is "thirty-one billion, one hundred forty-two million, five hundred fifty thousand, two hundred thirty-two".