31241204 has 6 divisors (see below), whose sum is σ = 54672114. Its totient is φ = 15620600.

The previous prime is 31241179. The next prime is 31241227. The reversal of 31241204 is 40214213.

It can be written as a sum of positive squares in only one way, i.e., 16418704 + 14822500 = 4052^2 + 3850^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3905147 + ... + 3905154.

It is an arithmetic number, because the mean of its divisors is an integer number (9112019).

Almost surely, 2^31241204 is an apocalyptic number.

It is an amenable number.

31241204 is a deficient number, since it is larger than the sum of its proper divisors (23430910).

31241204 is a wasteful number, since it uses less digits than its factorization.

31241204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7810305 (or 7810303 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 31241204 is about 5589.3831502233. The cubic root of 31241204 is about 314.9507069924.

Adding to 31241204 its reverse (40214213), we get a palindrome (71455417).

The spelling of 31241204 in words is "thirty-one million, two hundred forty-one thousand, two hundred four".