13531131542 has 8 divisors (see below), whose sum is σ = 21364944600. Its totient is φ = 6409483344.

The previous prime is 13531131539. The next prime is 13531131553. The reversal of 13531131542 is 24513113531.

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

It is a super-3 number, since 3×13531131542³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178041167 + ... + 178041242.

It is an arithmetic number, because the mean of its divisors is an integer number (2670618075).

Almost surely, 2^13531131542 is an apocalyptic number.

13531131542 is a deficient number, since it is larger than the sum of its proper divisors (7833813058).

13531131542 is a wasteful number, since it uses less digits than its factorization.

13531131542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356082430.

The product of its digits is 5400, while the sum is 29.

The spelling of 13531131542 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-one thousand, five hundred forty-two".