131003403534 has 12 divisors (see below), whose sum is σ = 283840707696. Its totient is φ = 43667801172.

The previous prime is 131003403529. The next prime is 131003403581. The reversal of 131003403534 is 435304300131.

131003403534 is a `hidden beast` number, since 1 + 310 + 0 + 340 + 3 + 5 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 131003403498 and 131003403507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3638983414 + ... + 3638983449.

It is an arithmetic number, because the mean of its divisors is an integer number (23653392308).

Almost surely, 2^131003403534 is an apocalyptic number.

131003403534 is an abundant number, since it is smaller than the sum of its proper divisors (152837304162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131003403534 is a wasteful number, since it uses less digits than its factorization.

131003403534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277966871 (or 7277966868 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 131003403534 its reverse (435304300131), we get a palindrome (566307703665).

The spelling of 131003403534 in words is "one hundred thirty-one billion, three million, four hundred three thousand, five hundred thirty-four".