1255032431 has 16 divisors (see below), whose sum is σ = 1283626080. Its totient is φ = 1226897280.

The previous prime is 1255032397. The next prime is 1255032437. The reversal of 1255032431 is 1342305521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1255032431 - 2⁶ = 1255032367 is a prime.

It is a super-2 number, since 2×1255032431² = 3150212805723539522, 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 1255032431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255032437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4530665 + ... + 4530941.

It is an arithmetic number, because the mean of its divisors is an integer number (80226630).

Almost surely, 2^1255032431 is an apocalyptic number.

1255032431 is a deficient number, since it is larger than the sum of its proper divisors (28593649).

1255032431 is a wasteful number, since it uses less digits than its factorization.

1255032431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1255032431 is about 35426.4368939356. The cubic root of 1255032431 is about 1078.6610152231.

Adding to 1255032431 its reverse (1342305521), we get a palindrome (2597337952).

The spelling of 1255032431 in words is "one billion, two hundred fifty-five million, thirty-two thousand, four hundred thirty-one".