2120331453 has 8 divisors (see below), whose sum is σ = 2830387968. Its totient is φ = 1411914624.

The previous prime is 2120331449. The next prime is 2120331457. The reversal of 2120331453 is 3541330212.

It is an interprime number because it is at equal distance from previous prime (2120331449) and next prime (2120331457).

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

It is not a de Polignac number, because 2120331453 - 2² = 2120331449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120331457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406900 + ... + 412077.

It is an arithmetic number, because the mean of its divisors is an integer number (353798496).

Almost surely, 2^2120331453 is an apocalyptic number.

It is an amenable number.

2120331453 is a deficient number, since it is larger than the sum of its proper divisors (710056515).

2120331453 is an equidigital number, since it uses as much as digits as its factorization.

2120331453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819843.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2120331453 is about 46047.0569417851. The cubic root of 2120331453 is about 1284.6986031257.

Adding to 2120331453 its reverse (3541330212), we get a palindrome (5661661665).

The spelling of 2120331453 in words is "two billion, one hundred twenty million, three hundred thirty-one thousand, four hundred fifty-three".