31342132 has 12 divisors (see below), whose sum is σ = 55334916. Its totient is φ = 15532160.

The previous prime is 31342121. The next prime is 31342139. The reversal of 31342132 is 23124313.

It can be written as a sum of positive squares in 2 ways, for example, as 3400336 + 27941796 = 1844^2 + 5286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34219 + ... + 35122.

It is an arithmetic number, because the mean of its divisors is an integer number (4611243).

Almost surely, 2^31342132 is an apocalyptic number.

It is an amenable number.

31342132 is a deficient number, since it is larger than the sum of its proper divisors (23992784).

31342132 is a wasteful number, since it uses less digits than its factorization.

31342132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69458 (or 69456 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 31342132 is about 5598.4044155456. The cubic root of 31342132 is about 315.2895028923.

Adding to 31342132 its reverse (23124313), we get a palindrome (54466445).

The spelling of 31342132 in words is "thirty-one million, three hundred forty-two thousand, one hundred thirty-two".