1313531520151 has 8 divisors (see below), whose sum is σ = 1355933491200. Its totient is φ = 1271131423320.

The previous prime is 1313531520083. The next prime is 1313531520167. The reversal of 1313531520151 is 1510251353131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313531520151 - 2¹⁹ = 1313530995863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313531520551) 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 7 ways as a sum of consecutive naturals, for example, 1032090 + ... + 1921528.

It is an arithmetic number, because the mean of its divisors is an integer number (169491686400).

Almost surely, 2^{1313531520151} is an apocalyptic number.

1313531520151 is a deficient number, since it is larger than the sum of its proper divisors (42401971049).

1313531520151 is an equidigital number, since it uses as much as digits as its factorization.

1313531520151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937109.

The product of its (nonzero) digits is 6750, while the sum is 31.

Adding to 1313531520151 its reverse (1510251353131), we get a palindrome (2823782873282).

The spelling of 1313531520151 in words is "one trillion, three hundred thirteen billion, five hundred thirty-one million, five hundred twenty thousand, one hundred fifty-one".