31434453 has 16 divisors (see below), whose sum is σ = 46986240. Its totient is φ = 20768832.

The previous prime is 31434443. The next prime is 31434503. The reversal of 31434453 is 35443413.

31434453 is a `hidden beast` number, since 314 + 344 + 5 + 3 = 666.

It is not a de Polignac number, because 31434453 - 2⁵ = 31434421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434443) 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 15 ways as a sum of consecutive naturals, for example, 2101 + ... + 8202.

It is an arithmetic number, because the mean of its divisors is an integer number (2936640).

Almost surely, 2^31434453 is an apocalyptic number.

It is an amenable number.

31434453 is a deficient number, since it is larger than the sum of its proper divisors (15551787).

31434453 is a wasteful number, since it uses less digits than its factorization.

31434453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10425 (or 10419 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 31434453 is about 5606.6436483872. The cubic root of 31434453 is about 315.5987703981.

Adding to 31434453 its reverse (35443413), we get a palindrome (66877866).

The spelling of 31434453 in words is "thirty-one million, four hundred thirty-four thousand, four hundred fifty-three".