31052265 has 16 divisors (see below), whose sum is σ = 49785408. Its totient is φ = 16527296.

The previous prime is 31052261. The next prime is 31052267. The reversal of 31052265 is 56225013.

It is a cyclic number.

It is not a de Polignac number, because 31052265 - 2² = 31052261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31052261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6607 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (3111588).

Almost surely, 2^31052265 is an apocalyptic number.

It is an amenable number.

31052265 is a deficient number, since it is larger than the sum of its proper divisors (18733143).

31052265 is a wasteful number, since it uses less digits than its factorization.

31052265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 31052265 is about 5572.4559217638. The cubic root of 31052265 is about 314.3145083320.

Adding to 31052265 its reverse (56225013), we get a palindrome (87277278).

The spelling of 31052265 in words is "thirty-one million, fifty-two thousand, two hundred sixty-five".