31244053 has 4 divisors (see below), whose sum is σ = 31381920. Its totient is φ = 31106188.

The previous prime is 31243967. The next prime is 31244077. The reversal of 31244053 is 35044213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31244053 - 2¹³ = 31235861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31244153) 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, 68593 + ... + 69046.

It is an arithmetic number, because the mean of its divisors is an integer number (7845480).

Almost surely, 2^31244053 is an apocalyptic number.

It is an amenable number.

31244053 is a deficient number, since it is larger than the sum of its proper divisors (137867).

31244053 is a wasteful number, since it uses less digits than its factorization.

31244053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137866.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 31244053 is about 5589.6380025901. The cubic root of 31244053 is about 314.9602805382.

Adding to 31244053 its reverse (35044213), we get a palindrome (66288266).

The spelling of 31244053 in words is "thirty-one million, two hundred forty-four thousand, fifty-three".