1353044431 has 8 divisors (see below), whose sum is σ = 1375786880. Its totient is φ = 1330377048.

The previous prime is 1353044351. The next prime is 1353044461. The reversal of 1353044431 is 1344403531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353044431 is a prime.

It is a super-2 number, since 2×1353044431² = 3661458464520227522, 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 1353044431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353044461) 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, 18190 + ... + 55108.

It is an arithmetic number, because the mean of its divisors is an integer number (171973360).

Almost surely, 2^1353044431 is an apocalyptic number.

1353044431 is a deficient number, since it is larger than the sum of its proper divisors (22742449).

1353044431 is an equidigital number, since it uses as much as digits as its factorization.

1353044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37533.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1353044431 is about 36783.7522691745. The cubic root of 1353044431 is about 1106.0396243490.

Adding to 1353044431 its reverse (1344403531), we get a palindrome (2697447962).

The spelling of 1353044431 in words is "one billion, three hundred fifty-three million, forty-four thousand, four hundred thirty-one".