131003523243 has 12 divisors (see below), whose sum is σ = 189742921888. Its totient is φ = 87097708080.

The previous prime is 131003523199. The next prime is 131003523253. The reversal of 131003523243 is 342325300131.

131003523243 is a `hidden beast` number, since 13 + 100 + 3 + 523 + 24 + 3 = 666.

It is not a de Polignac number, because 131003523243 - 2¹³ = 131003515051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131003523253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19827688 + ... + 19834293.

Almost surely, 2^131003523243 is an apocalyptic number.

131003523243 is a deficient number, since it is larger than the sum of its proper divisors (58739398645).

131003523243 is a wasteful number, since it uses less digits than its factorization.

131003523243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39662354 (or 39662351 counting only the distinct ones).

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

Adding to 131003523243 its reverse (342325300131), we get a palindrome (473328823374).

The spelling of 131003523243 in words is "one hundred thirty-one billion, three million, five hundred twenty-three thousand, two hundred forty-three".