157583481313 has 4 divisors (see below), whose sum is σ = 157584314160. Its totient is φ = 157582648468.

The previous prime is 157583481287. The next prime is 157583481347. The reversal of 157583481313 is 313184385751.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 313184385751 = 31 ⋅10102722121.

It is a cyclic number.

It is not a de Polignac number, because 157583481313 - 2¹³ = 157583473121 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157583481373) 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, 19518 + ... + 561736.

It is an arithmetic number, because the mean of its divisors is an integer number (39396078540).

Almost surely, 2^157583481313 is an apocalyptic number.

It is an amenable number.

157583481313 is a deficient number, since it is larger than the sum of its proper divisors (832847).

157583481313 is an equidigital number, since it uses as much as digits as its factorization.

157583481313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832846.

The product of its digits is 1209600, while the sum is 49.

The spelling of 157583481313 in words is "one hundred fifty-seven billion, five hundred eighty-three million, four hundred eighty-one thousand, three hundred thirteen".