1431342453 has 4 divisors (see below), whose sum is σ = 1908456608. Its totient is φ = 954228300.

The previous prime is 1431342449. The next prime is 1431342469. The reversal of 1431342453 is 3542431341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3542431341 = 3 ⋅1180810447.

It is not a de Polignac number, because 1431342453 - 2² = 1431342449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431342453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431342403) 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, 238557073 + ... + 238557078.

It is an arithmetic number, because the mean of its divisors is an integer number (477114152).

Almost surely, 2^1431342453 is an apocalyptic number.

It is an amenable number.

1431342453 is a deficient number, since it is larger than the sum of its proper divisors (477114155).

1431342453 is an equidigital number, since it uses as much as digits as its factorization.

1431342453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477114154.

The product of its digits is 17280, while the sum is 30.

The square root of 1431342453 is about 37833.0867495635. The cubic root of 1431342453 is about 1126.9756108734.

Adding to 1431342453 its reverse (3542431341), we get a palindrome (4973773794).

The spelling of 1431342453 in words is "one billion, four hundred thirty-one million, three hundred forty-two thousand, four hundred fifty-three".