1503231413 has 4 divisors (see below), whose sum is σ = 1507563840. Its totient is φ = 1498898988.

The previous prime is 1503231391. The next prime is 1503231461. The reversal of 1503231413 is 3141323051.

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.

It is a cyclic number.

It is not a de Polignac number, because 1503231413 - 2²⁸ = 1234795957 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 (1503231313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165693 + ... + 2166386.

It is an arithmetic number, because the mean of its divisors is an integer number (376890960).

Almost surely, 2^1503231413 is an apocalyptic number.

It is an amenable number.

1503231413 is a deficient number, since it is larger than the sum of its proper divisors (4332427).

1503231413 is an equidigital number, since it uses as much as digits as its factorization.

1503231413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332426.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1503231413 is about 38771.5283810169. The cubic root of 1503231413 is about 1145.5356628657.

Adding to 1503231413 its reverse (3141323051), we get a palindrome (4644554464).

The spelling of 1503231413 in words is "one billion, five hundred three million, two hundred thirty-one thousand, four hundred thirteen".