31132231010 has 32 divisors (see below), whose sum is σ = 57111080832. Its totient is φ = 12216695040.

The previous prime is 31132230973. The next prime is 31132231021. The reversal of 31132231010 is 1013223113.

It is a self number, because there is not a number n which added to its sum of digits gives 31132231010.

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 15 ways as a sum of consecutive naturals, for example, 31031 + ... + 251450.

It is an arithmetic number, because the mean of its divisors is an integer number (1784721276).

Almost surely, 2^31132231010 is an apocalyptic number.

31132231010 is a deficient number, since it is larger than the sum of its proper divisors (25978849822).

31132231010 is a wasteful number, since it uses less digits than its factorization.

31132231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282698.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31132231010 its reverse (1013223113), we get a palindrome (32145454123).

The spelling of 31132231010 in words is "thirty-one billion, one hundred thirty-two million, two hundred thirty-one thousand, ten".