135313306531 has 8 divisors (see below), whose sum is σ = 145957446320. Its totient is φ = 124702798752.

The previous prime is 135313306489. The next prime is 135313306561. The reversal of 135313306531 is 135603313531.

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 135313306531 - 2¹³ = 135313298339 is a prime.

It is a super-2 number, since 2×135313306531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135313306561) 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, 8399640 + ... + 8415733.

It is an arithmetic number, because the mean of its divisors is an integer number (18244680790).

Almost surely, 2^135313306531 is an apocalyptic number.

135313306531 is a deficient number, since it is larger than the sum of its proper divisors (10644139789).

135313306531 is a wasteful number, since it uses less digits than its factorization.

135313306531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16816005.

The product of its (nonzero) digits is 36450, while the sum is 34.

The spelling of 135313306531 in words is "one hundred thirty-five billion, three hundred thirteen million, three hundred six thousand, five hundred thirty-one".