131523014534 has 8 divisors (see below), whose sum is σ = 197286061800. Its totient is φ = 65760993936.

The previous prime is 131523014533. The next prime is 131523014561. The reversal of 131523014534 is 435410325131.

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

It is a super-2 number, since 2×131523014534² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131523014534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131523014531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358082 + ... + 625514.

It is an arithmetic number, because the mean of its divisors is an integer number (24660757725).

Almost surely, 2^131523014534 is an apocalyptic number.

131523014534 is a deficient number, since it is larger than the sum of its proper divisors (65763047266).

131523014534 is a wasteful number, since it uses less digits than its factorization.

131523014534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513334.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 131523014534 its reverse (435410325131), we get a palindrome (566933339665).

The spelling of 131523014534 in words is "one hundred thirty-one billion, five hundred twenty-three million, fourteen thousand, five hundred thirty-four".