31364245 has 16 divisors (see below), whose sum is σ = 41186880. Its totient is φ = 22739200.

The previous prime is 31364233. The next prime is 31364251. The reversal of 31364245 is 54246313.

It is not a de Polignac number, because 31364245 - 2¹¹ = 31362197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22365 + ... + 23725.

It is an arithmetic number, because the mean of its divisors is an integer number (2574180).

Almost surely, 2^31364245 is an apocalyptic number.

It is an amenable number.

31364245 is a deficient number, since it is larger than the sum of its proper divisors (9822635).

31364245 is a wasteful number, since it uses less digits than its factorization.

31364245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796.

The product of its digits is 8640, while the sum is 28.

The square root of 31364245 is about 5600.3790050317. The cubic root of 31364245 is about 315.3636348175.

It can be divided in two parts, 3136 and 4245, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 31364245 in words is "thirty-one million, three hundred sixty-four thousand, two hundred forty-five".