131332227 has 32 divisors (see below), whose sum is σ = 192709440. Its totient is φ = 79073280.

The previous prime is 131332211. The next prime is 131332273. The reversal of 131332227 is 722233131.

It is not a de Polignac number, because 131332227 - 2⁴ = 131332211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131332197 and 131332206.

It is not an unprimeable number, because it can be changed into a prime (131332297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544827 + ... + 545067.

It is an arithmetic number, because the mean of its divisors is an integer number (6022170).

Almost surely, 2^131332227 is an apocalyptic number.

131332227 is a deficient number, since it is larger than the sum of its proper divisors (61377213).

131332227 is a wasteful number, since it uses less digits than its factorization.

131332227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its digits is 1512, while the sum is 24.

The square root of 131332227 is about 11460.0273559883. The cubic root of 131332227 is about 508.3042835201.

Adding to 131332227 its reverse (722233131), we get a palindrome (853565358).

The spelling of 131332227 in words is "one hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-seven".