131034534551 has 4 divisors (see below), whose sum is σ = 134081849352. Its totient is φ = 127987219752.

The previous prime is 131034534509. The next prime is 131034534557. The reversal of 131034534551 is 155435430131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131034534551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131034534557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523657336 + ... + 1523657421.

It is an arithmetic number, because the mean of its divisors is an integer number (33520462338).

Almost surely, 2^131034534551 is an apocalyptic number.

131034534551 is a deficient number, since it is larger than the sum of its proper divisors (3047314801).

131034534551 is an equidigital number, since it uses as much as digits as its factorization.

131034534551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047314800.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 131034534551 its reverse (155435430131), we get a palindrome (286469964682).

The spelling of 131034534551 in words is "one hundred thirty-one billion, thirty-four million, five hundred thirty-four thousand, five hundred fifty-one".