31235053 has 4 divisors (see below), whose sum is σ = 31257468. Its totient is φ = 31212640.

The previous prime is 31235051. The next prime is 31235063. The reversal of 31235053 is 35053213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25020004 + 6215049 = 5002^2 + 2493^2 .

It is a cyclic number.

It is not a de Polignac number, because 31235053 - 2¹ = 31235051 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 (31235051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8968 + ... + 11953.

It is an arithmetic number, because the mean of its divisors is an integer number (7814367).

Almost surely, 2^31235053 is an apocalyptic number.

It is an amenable number.

31235053 is a deficient number, since it is larger than the sum of its proper divisors (22415).

31235053 is a wasteful number, since it uses less digits than its factorization.

31235053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22414.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 31235053 is about 5588.8328835277. The cubic root of 31235053 is about 314.9300356918.

Adding to 31235053 its reverse (35053213), we get a palindrome (66288266).

The spelling of 31235053 in words is "thirty-one million, two hundred thirty-five thousand, fifty-three".