131150405321 has 4 divisors (see below), whose sum is σ = 141238898052. Its totient is φ = 121061912592.

The previous prime is 131150405311. The next prime is 131150405333. The reversal of 131150405321 is 123504051131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65198515600 + 65951889721 = 255340^2 + 256811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131150405321 is a prime.

It is a super-2 number, since 2×131150405321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131150405311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5044246346 + ... + 5044246371.

It is an arithmetic number, because the mean of its divisors is an integer number (35309724513).

Almost surely, 2^131150405321 is an apocalyptic number.

It is an amenable number.

131150405321 is a deficient number, since it is larger than the sum of its proper divisors (10088492731).

131150405321 is a wasteful number, since it uses less digits than its factorization.

131150405321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10088492730.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 131150405321 its reverse (123504051131), we get a palindrome (254654456452).

The spelling of 131150405321 in words is "one hundred thirty-one billion, one hundred fifty million, four hundred five thousand, three hundred twenty-one".