31132196 has 24 divisors (see below), whose sum is σ = 56595000. Its totient is φ = 14966784.

The previous prime is 31132193. The next prime is 31132201. The reversal of 31132196 is 69123113.

It can be written as a sum of positive squares in 4 ways, for example, as 6431296 + 24700900 = 2536^2 + 4970^2 .

It is not an unprimeable number, because it can be changed into a prime (31132193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40100 + ... + 40868.

It is an arithmetic number, because the mean of its divisors is an integer number (2358125).

Almost surely, 2^31132196 is an apocalyptic number.

It is an amenable number.

31132196 is a deficient number, since it is larger than the sum of its proper divisors (25462804).

31132196 is a wasteful number, since it uses less digits than its factorization.

31132196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1149 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

The square root of 31132196 is about 5579.6232847747. The cubic root of 31132196 is about 314.5839674426.

The spelling of 31132196 in words is "thirty-one million, one hundred thirty-two thousand, one hundred ninety-six".