1504313478431 has 4 divisors (see below), whose sum is σ = 1592802506592. Its totient is φ = 1415824450272.

The previous prime is 1504313478407. The next prime is 1504313478433. The reversal of 1504313478431 is 1348743134051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1504313478431 - 2²⁶ = 1504246369567 is a prime.

It is a super-2 number, since 2×1504313478431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1504313478433) 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 3 ways as a sum of consecutive naturals, for example, 44244514055 + ... + 44244514088.

It is an arithmetic number, because the mean of its divisors is an integer number (398200626648).

Almost surely, 2^{1504313478431} is an apocalyptic number.

1504313478431 is a deficient number, since it is larger than the sum of its proper divisors (88489028161).

1504313478431 is an equidigital number, since it uses as much as digits as its factorization.

1504313478431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88489028160.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 1504313478431 in words is "one trillion, five hundred four billion, three hundred thirteen million, four hundred seventy-eight thousand, four hundred thirty-one".