1431130453 has 4 divisors (see below), whose sum is σ = 1433021740. Its totient is φ = 1429239168.

The previous prime is 1431130451. The next prime is 1431130507. The reversal of 1431130453 is 3540311341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3540311341 = 7 ⋅505758763.

It can be written as a sum of positive squares in 2 ways, for example, as 977312644 + 453817809 = 31262^2 + 21303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431130453 - 2¹ = 1431130451 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 (1431130451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944508 + ... + 946021.

It is an arithmetic number, because the mean of its divisors is an integer number (358255435).

Almost surely, 2^1431130453 is an apocalyptic number.

It is an amenable number.

1431130453 is a deficient number, since it is larger than the sum of its proper divisors (1891287).

1431130453 is an equidigital number, since it uses as much as digits as its factorization.

1431130453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891286.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1431130453 is about 37830.2848654355. The cubic root of 1431130453 is about 1126.9199683247.

Adding to 1431130453 its reverse (3540311341), we get a palindrome (4971441794).

The spelling of 1431130453 in words is "one billion, four hundred thirty-one million, one hundred thirty thousand, four hundred fifty-three".