1352043431 has 4 divisors (see below), whose sum is σ = 1410827952. Its totient is φ = 1293258912.

The previous prime is 1352043403. The next prime is 1352043443. The reversal of 1352043431 is 1343402531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1343402531 = 401 ⋅3350131.

It is a cyclic number.

It is not a de Polignac number, because 1352043431 - 2¹⁸ = 1351781287 is a prime.

It is a super-2 number, since 2×1352043431² = 3656042878620503522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1352043431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352043461) 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, 29392226 + ... + 29392271.

It is an arithmetic number, because the mean of its divisors is an integer number (352706988).

Almost surely, 2^1352043431 is an apocalyptic number.

1352043431 is a deficient number, since it is larger than the sum of its proper divisors (58784521).

1352043431 is an equidigital number, since it uses as much as digits as its factorization.

1352043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58784520.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1352043431 is about 36770.1432007002. The cubic root of 1352043431 is about 1105.7668028565.

Adding to 1352043431 its reverse (1343402531), we get a palindrome (2695445962).

The spelling of 1352043431 in words is "one billion, three hundred fifty-two million, forty-three thousand, four hundred thirty-one".