31034453 has 4 divisors (see below), whose sum is σ = 31873260. Its totient is φ = 30195648.

The previous prime is 31034449. The next prime is 31034459. The reversal of 31034453 is 35443013.

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 17322244 + 13712209 = 4162^2 + 3703^2 .

It is a cyclic number.

It is not a de Polignac number, because 31034453 - 2² = 31034449 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 (31034459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419348 + ... + 419421.

It is an arithmetic number, because the mean of its divisors is an integer number (7968315).

Almost surely, 2^31034453 is an apocalyptic number.

It is an amenable number.

31034453 is a deficient number, since it is larger than the sum of its proper divisors (838807).

31034453 is an equidigital number, since it uses as much as digits as its factorization.

31034453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838806.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 31034453 is about 5570.8574743930. The cubic root of 31034453 is about 314.2543984835.

Adding to 31034453 its reverse (35443013), we get a palindrome (66477466).

The spelling of 31034453 in words is "thirty-one million, thirty-four thousand, four hundred fifty-three".