31132010 has 32 divisors (see below), whose sum is σ = 68971392. Its totient is φ = 9852480.

The previous prime is 31131979. The next prime is 31132027. The reversal of 31132010 is 1023113.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31131982 and 31132000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16196 + ... + 18015.

It is an arithmetic number, because the mean of its divisors is an integer number (2155356).

Almost surely, 2^31132010 is an apocalyptic number.

31132010 is an abundant number, since it is smaller than the sum of its proper divisors (37839382).

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

31132010 is a wasteful number, since it uses less digits than its factorization.

31132010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34238.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 31132010 is about 5579.6066169579. The cubic root of 31132010 is about 314.5833409451.

Adding to 31132010 its reverse (1023113), we get a palindrome (32155123).

The spelling of 31132010 in words is "thirty-one million, one hundred thirty-two thousand, ten".