2031530453 has 8 divisors (see below), whose sum is σ = 2135112000. Its totient is φ = 1929220128.

The previous prime is 2031530437. The next prime is 2031530507. The reversal of 2031530453 is 3540351302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2031530453 - 2⁴ = 2031530437 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 (2031535453) 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 7 ways as a sum of consecutive naturals, for example, 314528 + ... + 320921.

It is an arithmetic number, because the mean of its divisors is an integer number (266889000).

Almost surely, 2^2031530453 is an apocalyptic number.

2031530453 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2031530453 is a deficient number, since it is larger than the sum of its proper divisors (103581547).

2031530453 is a wasteful number, since it uses less digits than its factorization.

2031530453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635611.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2031530453 is about 45072.5021825947. The cubic root of 2031530453 is about 1266.5075379584.

Adding to 2031530453 its reverse (3540351302), we get a palindrome (5571881755).

The spelling of 2031530453 in words is "two billion, thirty-one million, five hundred thirty thousand, four hundred fifty-three".