1304245145131 has 4 divisors (see below), whose sum is σ = 1304609361264. Its totient is φ = 1303880929000.

The previous prime is 1304245145069. The next prime is 1304245145173. The reversal of 1304245145131 is 1315415424031.

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 1304245145131 - 2⁷ = 1304245145003 is a prime.

It is a super-2 number, since 2×1304245145131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304245145531) 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, 182102695 + ... + 182109856.

It is an arithmetic number, because the mean of its divisors is an integer number (326152340316).

Almost surely, 2^{1304245145131} is an apocalyptic number.

1304245145131 is a deficient number, since it is larger than the sum of its proper divisors (364216133).

1304245145131 is an equidigital number, since it uses as much as digits as its factorization.

1304245145131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364216132.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 1304245145131 in words is "one trillion, three hundred four billion, two hundred forty-five million, one hundred forty-five thousand, one hundred thirty-one".